年表作成・共有サービス - pastport

Haogong Valve Co., Ltd. is a professional manufacturer of high, medium and low pressure valves, integrating scientific research, design, casting, production and sales. Our factory now has strong technical force, exquisite production technology, perfect testing methods, strong production capacity, and the products are exported to more than 20 countries and areas.
The factory is located in Longwan, Wenzhou - China Valve City, where the Haihe River flows into the sea and is adjacent to Wenzhou Airport, Binhai Industrial Zone, and Longwan Wharf. The transportation is very convenient.
The company has complete product specifications. The main products are as follows, gate valve, globe valve, check valve, ball valve, butterfly valve, forged steel valve, vacuum valve, American standard valve, flat gate valve, API valve and other products with a diameter from 1/2to 40 , the pressure range is from 1.0MPa to32.0MPa (150LB~2500LB), and working temperature is -196°C~800°C, the operation include manual, electric, pneumatic, hydraulic, etc. Valve body materials include carbon steel, alloy steel, stainless steel, chrome molybdenum steel, special alloy steel, etc. Our products are widely used in petroleum, chemical industry, electric power, metallurgy and smelting, water supply and drainage, urban construction, steel, gas storage and transportation and other fields. https://www.haogongvalve.com