China National Standards

China Multimedia Industry Standards English PDF List


  •  China "Multimedia" Industry Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    YD/T 4381-2023 IPTV virtual reality (VR) panoramic Multimedia service technical requirements {译}
    IPTV虚拟现实(VR)全景多媒体业务服务技术要求
    China Telecommunication Industry Standards
    Multimedia

    English PDF
    YD/T 5185-2021 IP Multimedia Subsystem (IMS) Engineering Design Specification {译}
    IP多媒体子系统(IMS)工程设计规范
    China Telecommunication Industry Standards
    Multimedia

    English PDF
    YD/T 5159-2021 Specification for acceptance of mobile Multimedia message center project {译}
    移动多媒体消息中心工程验收规范
    China Telecommunication Industry Standards
    Multimedia

    English PDF
    SJ/T 11596-2016 (Electronic Multimedia projector Technical requirements and methods of measurement)
    电子投影机多媒体功能技术要求和测量方法
    China Electronics Standards
    Multimedia

    English PDF
    YD/T 2977-2015 (Based on Representational State Transfer (REST) ??technology, service capabilities open application program interface (API) short message and Multimedia message service)
    基于表述性状态转移(rest)技术的业务能力开放应用程序接口(api) 短消息和多媒体消息业务
    China Telecommunication Standards
    Multimedia

    English PDF
    YD 5158-2015 (Mobile Multimedia message center design specification)
    移动多媒体消息中心工程设计规范
    China Telecommunication Standards
    Multimedia

    English PDF
    YD 5198-2014 (IP Multimedia Subsystem (IMS) core network engineering acceptance Interim Provisions)
    IP多媒体子系统(IMS)核心网工程验收暂行规定
    China Telecommunication Standards
    Multimedia

    English PDF
    YDB 142.4-2013 The parameter and measurement of energy saving for Multimedia telecommunications terminal. Part 4: Visual surveillance equipment
    多媒体终端设备节能参数和测试方法 第4部分:视频监控设备
    China Telecommunication Standards
    Multimedia

    English PDF
    YDB 142.3-2013 The parameter and measurement of energy saving for Multimedia telecommunications terminal. Part 3: IPTV Set-top Boxes
    多媒体终端设备节能参数和测试方法 第3部分:IPTV机顶盒
    China Telecommunication Standards
    Multimedia

    English PDF
    YDB 142.2-2013 The parameter and measurement of energy saving for Multimedia telecommunications terminal. Part 2: Visual telephone
    多媒体终端设备节能参数和测试方法 第2部分:可视电话
    China Telecommunication Standards
    Multimedia

    English PDF
    YDB 142.1-2013 The parameter and measurement of energy saving for Multimedia telecommunications terminal. Part 1: Video conferencing terminal
    多媒体终端设备节能参数和测试方法 第1部分:会议电视终端
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2661-2013 Technical requirment and test method for service qualification of peer to peer Multimedia Message interworking between networks
    点对点多媒体消息网间互通的质量要求和测试方法
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2461-2013 Test method of services based on the unified 1MS. Multimedia conferencing service (Release 1)
    基于统一ims的业务测试方法 多媒体会议业务(第一阶段)
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2460-2013 Test method of services based on the Unified IMS Multimedia ring back tone(Release 1)
    基于统一ims的业务测试方法 多媒体彩铃业务(第一阶段)
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2458-2013 Test method of services based on the unified IMS customized Multimedia ringing (Release 1)
    基于统一IMS的业务测试方法 个性化振铃音业务(第一阶段)
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2457.1-2013 Test method of services based on the unified IMS Multimedia telephony service (release 1). Part 1: basic services and required supplementary services
    基于统一ims的业务测试方法 多媒体电话业务(第一阶段) 第1部分:基本业务和必选补充业务
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2453-2013 User requirement and evaluation criteria of Multimedia communication for perceptual video quality measurement techniques in the absence of reference
    多媒体通信业务视频感官质量无参考测量技术需求和评估准则
    China Telecommunication Standards
    Multimedia

    English PDF
    YDB 073-2012 NGN capability requirements to support Multimedia communication centre(MCC) service
    下一代网络(NGN)支持多媒体呼叫中心业务的能力需求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2249-2011 Multimedia message service system security framework guidebook
    多媒体消息服务(mms)系统安全框架指南
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2120-2010 Technical requirement for the adaptive interface for mobile Multimedia content
    移动通信终端的转码接口技术规范
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2079-2010 Technical requirements of Multimedia domain security for 800MHz/2GHz CDMA2000 digital cellular mobile telecommunication network
    800mhz/2ghz cdma2000数字蜂窝移动通信网 多媒体域(mmd)系统安全技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 5185-2010 Provisional Design Specifications for IP Multimedia subsystem (IMS) Engineering
    ip多媒体子系统(ims)核心网工程设计暂行规定
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2010-2009 Technical requirements of services based on the unified IMS Multimedia conferencing service (Release 1)
    基于统一ims的业务技术要求 多媒体会议业务(第一阶段)
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2009-2009 Technical requirement of services based on the unified IMS customized Multimedia ringing service (Release 1)
    基于统一ims的业务技术要求 个性化振铃音业务(第一阶段)
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 2008-2009 Technical requirement for services based on the unified IMS. Customized Multimedia alerting service (Release 1)
    基于统一ims的业务技术要求 多媒体彩铃业务(第一阶段)
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1988-2009 Mobile Multimedia broadcast service. Service platform test methods
    移动多媒体广播业务 业务平台设备测试方法
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1973.4-2009 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network Multimedia domain equipment test method. Part 4: Multimedia resource equipments
    800mhz/2ghz cdma2000数字蜂窝移动通信网 多媒体域(mmd)系统设备测试方法 第4部分:媒体资源类设备
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1973.3-2009 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network Multimedia domain equipment test method. Part 3: Inter-working equipments
    800mhz/2ghz cdma2000数字蜂窝移动通信网 多媒体域(mmd)系统设备测试方法 第3部分:互通类设备
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1973.2-2009 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network Multimedia domain equipment test method. Part 2: User data equipments
    800mhz/2ghz cdma2000数字蜂窝移动通信网 多媒体域(mmd)系统设备测试方法 第2部分:用户数据类设备
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1973.1-2009 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network Multimedia domain equipment test method. Part 1: Call control equipments
    800mhz/2ghz cdma2000数字蜂窝移动通信网 多媒体域(mmd)系统设备测试方法 第1部分:会话控制类设备
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1972.4-2009 Technical requirements for 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network Multimedia domain equipment. Part 4: Multimedia resource equipments
    800mhz/2ghz cdma2000数字蜂窝移动通信网 多媒体域(mmd)系统设备技术要求 第4部分:媒体资源类设备
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1972.3-2009 Technical requirements for 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network Multimedia domain equipment. Part 3: Inter-working equipments
    800mhz/2ghz cdma2000数字蜂窝移动通信网 多媒体域(mmd)系统设备技术要求 第3部分:互通类设备
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1972.2-2009 Technical requirements for 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network Multimedia domain equipment. Part 2: User data equipments
    800mhz/2ghz cdma2000数字蜂窝移动通信网 多媒体域(mmd)系统设备技术要求 第2部分:用户数据类设备
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1972.1-2009 Technical requirements for 800MHz/2GHz cdma2000 digital cellular mobile telecommunication network Multimedia domain equipment. Part 1: Call control equipments
    800mhz/2ghz cdma2000数字蜂窝移动通信网 多媒体域(mmd)系统设备技术要求 第1部分:会话控制类设备
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1888-2009 Mobile Multimedia Broadcast Service. Test Methods of Mobile Terminal and Smart Card
    移动多媒体广播业务 终端/卡设备测试方法
    China Telecommunication Standards
    Multimedia

    English PDF
    GY/T 220.9-2008 Mobile Multimedia mroadcasting. Part 9: frame structure, channel coding and modulation for satellite distribution channel
    移动多媒体广播 第9部分:卫星分发信道帧格式、信道编码和调制
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    GY/T 235-2008 Technical requirements and measurement methods for passive devices used in indoor coverage systems of mobile Multimedia broadcasting
    移动多媒体广播室内覆盖系统无源器件技术要求和测量方法
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    GY/Z 234-2008 Implementation guide for mobile Multimedia broadcasting multiplexing
    移动多媒体广播复用实施指南
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    GY/T 220.8-2008 Mobile Multimedia Broadcasting. Part 8: Technical requirements and measurement methods of the multiplexer
    移动多媒体广播 第8部分:复用器技术要求和测量方法
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    YD/T 1801-2008 Security Technical Requirements of IP Multimedia Subsystem for 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network(Phase Ⅱ)
    2ghz td-scdma/wcdma数字蜂窝移动通信网ip多媒体子系统安全技术要求(第二阶段)
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1415-2008 Security Technical Specification of IP Multimedia Subsystem for 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communication Network
    2ghz td-scdma/wcdma数字蜂窝移动通信网ip多媒体子系统安全技术要求(第一阶段)
    China Telecommunication Standards
    Multimedia

    English PDF
    GY/Z 233-2008 Implementation guidelines for indoor coverage system of mobile Multimedia broadcasting
    移动多媒体广播室内覆盖系统实施指南
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    GY/T 220.7-2008 Mobile Multimedia broadcasting. Part 7: Technical specifications for receiving and decoding terminal
    移动多媒体广播 第7部分:接收解码终端技术要求
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    GY/T 220.6-2008 Mobile Multimedia broadcasting. Part 6: Conditional Access
    移动多媒体广播 第6部分:条件接收
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    YD/T 1791-2008 Mobile Multimedia Broadcast Service Technical Requirements for Interactive Application
    移动多媒体广播业务 交互应用技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1790-2008 Mobile Multimedia Broadcast Service Technical Requirements for Application Layer Interface
    移动多媒体广播业务 应用层接口技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1789-2008 Mobile Multimedia Broadcast Service Technical Requirements for Equipment of Terminal and Card
    移动多媒体广播业务 终端/卡设备技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1788-2008 Mobile Multimedia Broadcast Service Technical Requirements for Equipment of Service Platform
    移动多媒体广播业务 业务平台设备技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1787-2008 Mobile Multimedia Broadcast Service Technical Requirements for Service Guide
    移动多媒体广播业务 业务指南技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1786-2008 Mobile Multimedia Broadcast Service Technical Requirements for Service Protection
    移动多媒体广播业务 业务保护技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1785-2008 Mobile Multimedia Broadcast Service General Technical Requirements
    移动多媒体广播业务 总体技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    GY/T 220.5-2008 Mobile Multimedia broadcasting. Part 5: Data broadcasting
    移动多媒体广播第5部分:数据广播
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    YD/T 1387.4-2008 Testing Methods for Media Gateway. Providing Multimedia Services
    媒体网关设备测试方法-支持多媒体业务部分
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1243.4-2008 Technical Requirements for Media Gateway. Providing Multimedia Services
    媒体网关设备技术要求-支持多媒体业务部分
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1718-2007 Testing Methods for Service and Protocol in Peer to Peer Multimedia Messaging Service Interworking
    点对点网间多媒体消息业务和协议的测试方法
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1717-2007 Testing Methods for Interworking Gateway in Peer Multimedia Messaging Service Interworking
    点对点多媒体消息业务网间互通设备测试方法
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1716-2007 Technical Requirements for Interworking Gateway in Peer to Peer Multimedia Messaging Service
    点对点多媒体消息业务网间互通设备技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    GY/T 220.4-2007 Mobile Multimedia broadcasting. Part 4: Emergency broadcasting
    移动多媒体广播第4部分:紧急广播
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    YD/T 5159-2007 Provisional Acceptance Specification for Mobile Multimedia Messaging Service Center
    移动多媒体消息中心工程验收暂行规定
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1533.3-2007 Technical Requirements for the Multimedia Message Service based on Fixed Network. Part 3: Multimedia Message Service Terminal
    固定网多媒体消息业务技术要求 第3部分:多媒体消息终端
    China Telecommunication Standards
    Multimedia

    English PDF
    GY/T 220.3-2007 Mobile Multimedia broadcasting. Part 3: Electronic service guide
    移动多媒体广播 第3部分:电子业务指南
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    YD/T 1657.4-2007 Technical Specification for the Proxy Supporting Network Address Translation/Firewall Traverse of Multimedia Services. Part 4: H.248 Proxy
    支持多媒体业务网络地址翻译/防火墙(nat/fw)穿越的代理设备技术要求 第4部分:h.248代理
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1657.3-2007 Technical Specification for the Proxy Supporting Network Address Translation/Firewall Traverse of Multimedia Services. Part 3: MGCP Proxy
    支持多媒体业务网络地址翻译/防火墙(nat/fw)穿越的代理设备技术要求 第3部分:mgcp代理
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1657.2-2007 Technical Specification for the Proxy Supporting Network Address Translation/Firewall Traverse of Multimedia Services. Part 2: SIP Proxy
    支持多媒体业务网络地址翻译/防火墙(nat/fw)穿越的代理设备技术要求 第2部分:sip代理
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1657.1-2007 Technical Specification for the Proxy Supporting Network Address Translation/Firewall Traverse of Multimedia Services. Part 1: H.323 Proxy
    支持多媒体业务网络地址翻译/防火墙(nat/fw)穿越的代理设备技术要求 第1部分:h.323代理
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1601-2007 Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Network Multimedia E-mail Service Terminal
    2ghz cdma2000数字蜂窝移动通信网多媒体邮件业务终端测试方法
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1600-2007 Technical Requirements for 2GHz cdma2000 Digital Cellular Mobile Communication Network Mobile Multimedia Email Service Terminal
    2ghz cdma2000数字蜂窝移动通信网多媒体邮件业务终端技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1599-2007 Testing Methods for 2GHz cdma2000 Digital Cellular Mobile Communication Network Multimedia Email Service System
    2ghz cdma2000数字蜂窝移动通信网多媒体邮件业务系统测试方法
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1598-2007 Technical Requirements for 2GHz cdma2000 Digital Cellular Mobile Communication Network Mobile Multimedia E-mail Service System
    2ghz cdma2000数字蜂窝移动通信网多媒体邮件业务系统技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1605-2007 Protocol Requirements of Peer to Peer Multimedia Messaging Service Interworking between Networks
    点对点多媒体消息业务网间互通协议要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1604-2007 Technical Requirements of Peer to Peer Multimedia Messageing Service Interworking between Networks
    点对点多媒体消息业务网间互通技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 16574-2007 Technical requirement for proxy equipment supporting Multimedia service network address translation/fire wall crossing (NAT/FW) Part 4: H. 248 proxy
    支持多媒体业务网络地址翻译/防火墙(NAT/FW)穿越的代理设备技术要求 第4部分:H.248代理
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 16573-2007 Technical requirement for proxy equipment supporting Multimedia service network address translation/fire wall crossing (NAT/FW) Part 3: MGCP proxy
    支持多媒体业务网络地址翻译/防火墙(NAT/FW)穿越的代理设备技术要求 第3部分:MGCP代理
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 16572-2007 Technical requirement for proxy equipment supporting Multimedia service network address translation/fire wall crossing (NAT/FW) Part 2: SIP proxy
    支持多媒体业务网络地址翻译/防火墙(NAT/FW)穿越的代理设备技术要求 第2部分:SIP代理
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1533.2-2006 Technical Requirements of Multimedia Message Service Based on Fixed Network. Part 2: Multimedia Message Service Interface
    固定网多媒体消息业务技术要求 第2部分:多媒体消息业务接口
    China Telecommunication Standards
    Multimedia

    English PDF
    GY/T 220.2-2006 Mobile Multimedia Broadcasting - Part 2: Multiplexing
    移动多媒体广播 第2部分:复用
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    GY/T 220.1-2006 Mobile Multimedia Broadcasting. Part 1: Framing Structure, Channel Coding and Modulation for Broadcasting Channel
    移动多媒体广播 第1部分:广播信道帧结构、信道编码和调制
    China Radio, Film & TV Industry Standards
    Multimedia

    English PDF
    YD/T 1502-2006 Digital Cellular Mobile Telecommunication Network Testing Specification for Multimedia Message Service Terminal Equipment
    数字蜂窝移动通令网多媒体消息业务(mms)终端设备测试方法
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1501-2006 Digital Cellular Mobile Telecommunication Network Specification for Multimedia Message Service Terminal Equipment
    数字蜂窝移动通信网多媒体消息业务(mms)终端设备技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1500-2006 Testing Methods of Multimedia Messaging Service Center in Digital Cellular Mobile Telecommunication Network
    数字蜂窝移动通信网络多媒体消息业务(mms)中心设备测试方法
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1499-2006 Technical Requirements of Multimedia Messaging Service Center in Digital Cellular Mobile Telecommunication Network
    数字蜂窝移动通信网多媒体消息业务(mms)中心设备技术要求
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1388.6-2005 Technical requirements of the soft switch based services. Part 6: Video Multimedia services
    基于软交换的业务技术要求 第6部分:视频多媒体业务
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1227-2002 The technical specification of Multimedia IC card public telephone system
    多媒体ic卡公用电话系统技术规范
    China Telecommunication Standards
    Multimedia

    English PDF
    SJ 20820.5-2002 Information Technology Small Computer System Interface(SCSI-3) Primary command layer Part 5: Multimedia commands
    信息技术 小计算机系统接口(SCSI)-3基本命令层 第5部分:多媒体命令
    China Electronics Standards
    Multimedia

    English PDF
    YD/T 1151-2001 New Service Technical Specification. Multimedia Retrieval System
    新业务技术要求——多媒体信息检索
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1131-2001 Call Signalling Protocols and Media Stream Packetization for Packet Based Multimedia Communications Systems
    基于包的多媒体通信系统上的呼叫信令协议及媒体流打包技术
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1102-2001 ATM based Multimedia Broadband Network Specification. Network Performance
    基于atm的多媒体宽带骨干网技术要求-网络性能部分
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 1083-2000 Signalling Specification of Multimedia Broadband Network Based-on ATM
    基于atm的多媒体宽带网信令规范
    China Telecommunication Standards
    Multimedia

    English PDF
    YDN 106.1-1999 Technical requirement for ATM-based Multimedia broadband backbone network - addressing and signaling part
    基于atm的多媒体宽带骨干网技术要求--寻址和信令要求部分
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 995-1998 Data protocols for Multimedia conferencing
    多媒体会议业务的数据协议
    China Telecommunication Standards
    Multimedia

    English PDF
    YD/T 971-1998 Network specific data protocol stacks for Multimedia conferencing
    多媒体会议的特定网络的数据协议栈
    China Telecommunication Standards
    Multimedia

    English PDF
    SJ/T 11193-1998 Multimedia performance requirement for microcomputer
    微型数字电子计算机多媒体性能规范
    China Electronics Standards
    Multimedia

    English PDF
    YD/T 948-1998 Generic application temple for Multimedia conferencing service
    多媒体会议业务的通用应用模板
    China Telecommunication Standards
    Multimedia

    English PDF

    Find out:93Items   |  To Page of: First -Previous-Next -Last  | 1

     

    +86-755-25831330        sales@gbstandards.org 
    106# Zhongmao Mansion,No.1 Beizhan Road,Shenzhen,China
    ©  RJS Copyright  2001-2024 All Rights Reserved

    - Since 2001 -
    Focus on China Standards & Compliance Services

    www.gbstandards.org

    China National Standards