QUALIFITION DOCUMENTS
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Business License
Business License -
Opening Permit
Opening Permit -
Quality Management System Certification
Quality Management System Certification -
ISO 9001：2015
ISO 9001：2015 -
CE
CE -
CE
CE -
To abide by the letter of credit by respecting the contract
To abide by the letter of credit by respecting the contract -
Quality Service Credit Certificate
Quality Service Credit Certificate -
Credit Class Recognition
Credit Class Recognition -
Certificate of Credible Operation Demonstration Unit
Certificate of Credible Operation Demonstration Unit -
Honorary Certificate of Honest Entrepreneur
Honorary Certificate of Honest Entrepreneur -
Honorary Certificate of Honest Manager
Honorary Certificate of Honest Manager -
AAA Credit Unit
AAA Credit Unit -
Credit rating certificate
Credit rating certificate -
Member of China Urban Gas Association
Member of China Urban Gas Association -
China Resources Gas Cooperative Supplier Filing Network
China Resources Gas Cooperative Supplier Filing Network -
China Huadian Group Supplier
China Huadian Group Supplier -
China Datang Group Supplier
China Datang Group Supplier -
Members of China Petroleum Material Market
Members of China Petroleum Material Market -
China Petroleum and Natural Gas Supplier
China Petroleum and Natural Gas Supplier
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- Telphone- 0317-6689999
- E-mail- zhongran@zrpiping.com
- Address- Yanshan County Industrial Park, Cangzhou City, Hebei Province
- Telphone- 0317-6689999
- E-mail- zhongran@zrpiping.com
- Address- Yanshan County Industrial Park, Cangzhou City, Hebei Province
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