Cangzhou Sanqing Industry and Trade Co., Ltd .
Is a member of the China Construction Metal Structure Association water supply and drainage equipment branch and Hebei Province Construction Association Material Equipment Management Branch; Member of China Gas Association; Our company was also the drafting unit of National Standard < > thin wall stainless steel pipe technical specification and <>
gas transmission stainless steel pipe and V type press fitting standard.
Is a member of the China Construction Metal Structure Association water supply and drainage equipment branch and Hebei Province Construction Association Material Equipment Management Branch; Member of China Gas Association; Our company was also the drafting unit of National Standard < > thin wall stainless steel pipe technical specification and <>
gas transmission stainless steel pipe and V type press fitting standard.
China