The Delongwang company take the precision casting, the fitting production processing, the end product as a body's production configuration enterprise, mainly produces the reed valve, the gate valve, the filter, to clamps the check valve, to turn on lathe the type check valve, the vertical noise elimination check valve and so on, the product mainly exports primarily. Mainly according to American ANSI/API, Japanese JIS, German DIN, British BS, French NF, the Australian sign and Chinese GB and so on modular design production, to clamps the type, LT, the flange type gate valve, cast iron gate valve, check valve, the Y filter softly products and so on to seal the reed valve softly and to seal, the drive type has manual, the gear, air operated, electrically operated to be possible to supply the choice, and according to product useThe operating mode, the valve material and the seal structure may have many kinds of optimizations to match doubted that satisfies the customer to the product specification different demand, causes the valve in many kinds of pressures, the temperature, and under the ambient condition guaranteed that its leak-proof quality, anti-rubs, the corrosion resistance and the security, causes it widely to apply in professions and so on petroleum, chemical industry, metallurgy, electric power. The product by for sale abroad primarily, already sold to the US, Australia, Germany, South Africa, Egypt and, Southeast Asia and Taiwan and so on ten several countries and the area. The good post-sale service and the outstanding product quality, caused the company to win the good market prestige; Many year for sale abroad experiences, cause the company product already to be possible according to GB, ISO, API, ANSI, DIN, JIS, BS, AS and so on international standard production manufacture, may also according to the customer request custom make. The company will pursue improves the quality continually, raises the management level unceasingly, is the customer provides more better quality products and satisfaction service, welcome the domestic and foreign new old customer inquiry discussion zealously!