Jinan HeChuang Mechanical Manufacturing Co., Ltd.
NPT plug the product category, we are from China's professional manufacturers, the main production block, with the end of the pipeline end use. Professional manufacturers, wholesale quality products!
The plug surface treatment process for black, we take the ASTM A105 / 106B pipe plug, our strict quality management system, has won many customers, over the same period the company obtained three national patents. Wish our customers came to negotiate.