Date: 28 Dec 2009
The types of company’s tubing include Grade J55 and Grade N80. Before manufacture, the advanced spectrometer is applied for conducting material analysis. In the course of calcinations, the infrared thermometer is used to monitor the heating temperature. The following steps of tempering, thread processing, detecting surface, pressure testing and auto-spray painting are completely in accordance with Quality Control System. So our tubing products hold the firm position in class of tip-top quality.
Contact information:
Puyang City Shuangfa Industry Co. Ltd
West End Of Huanghe Road, Puyang City, Henan Province, China[457001]
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