TPCO has also exported its seamless steel pipes to over 80 countries and regions TPCO has been granted quality authentication and acceptance certificates?
HULUDAO CITY STEEL PIPE INDUSTRIAL CO., LTD Was founded on 5CT/API 5L Certificates issued by America Petroleum Institute ,CE certificate ISO9001:2008 Quality Management System Certification , GB/T24001-2004 (idt Key words: huludao pipe ,tube,seamless pipe Technical support:huludao fangyuan film &tv.
manufacture of welded and seamless steel pipes and tubes in accordance with the requirements of LR's Rules for the Manufacture, Testing and Certification of designated "MQS Approved" are also approved under the Materials Quality.
Results 1 - 16 of 16 Welcome to the premier industrial source for Seamless Steel Pipe in Also ISO 9001: 2008 certified distributor of aircraft quality stainless steel. include blast and prime, cambering, drilling, milling, plate burning, saw?
ISO 9001 2000 Certificate (Welded). ISO 9001 2000 Certificate (Seamless). ISO 9001 2008 Certificate (Hunan). ISO 9001 2008 Certificate (Tianjin). ISO 9001?
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