WEIFANG HETE PIPE CO., LTD. We are a delicate manufacturer committed to pipe fittings & couplings deigning, casting and world-wide supplying business. we have more than 300 employees, including more than 120 highly skilled workers, nearly 30 technical support staffs, 7 qualified casting engineers with a strong lab team. We are mainly supply the grooved pipe fittings and couplings for fire fighting. From the year 2012 to 2015, our products have successfully passed the U.S. FM Approval certification and UL certification, as while as the Europe CE verification.