Drilltech Manufacturing Co., Ltd. Cangzhou [China]

1)According to the latest API Spec 16A standard,NACE MR-01- 75and quality standard of ISO9001. 2)H2S Trim. According to the latest API Spec 16A standard,NACE MR-01-      75and quality standard of ISO9001.H2S Trim.the ring grooves flanges are all lined with the corrosion resistant alloy

Drilling spool