are heavy gauge brass/copper. all brazing done by silver rod. cutting valve fitted with double o-ring. both control valves are made of ss for longer life. read more categories: welding equipment , injection type hand cutting blowpipe send an enquiry enquiry about injection type hand cutting blowpipe...
have been internationally accepted with iso and api certifications. under the strict inspection by our trained and experienced engineers, the quality of the products we offer are always kept at a high level. our standard products and services include but not limited to casing, tubing, line pipe, valves...