A21H-C-type valve, the valve Everbright (certified), the safety valve provided by Shandong China Everbright Limited valve. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) is specialized in the "valve" of the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Manager Ma. The safety valve is a valve family special branch, its specificity is different from the other because the safety valve for the valve only play as a switch A21H-C type safety valve, more importantly protect the safety of the device. With the rapid development of China's economic construction, the project works with a pressure control device is increasing. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products! The main valve is widely used in: steam boilers, liquefied petroleum and gas safety valve seal all copper LPG tank car or rail tankers, production wells, high pressure bypass steam generating equipment, pressure piping, pressure vessels. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products!