Hebei Wenlong Pipeline Equipment Co., Ltd. is a resea rch, development, production, sale and service of pipe fittings company
Pipeline Equipment Co., Ltd. Dragon River scripture control the entire production process. All equipment subject to strict inspection process in each stage of the production process, from initial processing of raw materials to finished products transportation. They see the review of the compliance Wenlong tube manufacturer specifications and inspection and in accordance with applicable ASTM standards, the U. S. ASME, MSS, and the German DIN, EN, and JIS norms and standards for testing. Upon request, the official certification test agent can be called a certification inspection process.