Jiangsu Wallong-HSIN Machinery Engineering Co. Ltd are mainly engaged in manufacturing oil drilling and extracting equipment and valves. Our products have been ISO9001 certified and follows API 6A, 6Dand API 16A & 16C, etc.

We have a lot of experts with many years' experience in the petroleum machinery field. We have accumulated plentiful knowledge and experience in the design, manufacture, inspection, testing, marketing and service of oil exploring and extracting equipment. We have all kinds of equipment for the cold-working and heat-working. We also have a complete set of facilities for inspection and testing. All products, such as the Christmas trees, casing heads, choke and kill manifolds, drilling mud manifolds, high-and-middle pressure valves and other components for oil drilling and extracting, are fully designed and manufactured in accordance with API, ANSI, GB (national standards) and SY (industry standards) standards.

Our products are widely used in the petroleum, chemical, metallurgy and power station industries. We have advanced technology and equipment and strong technical capabilities. Customers from at home and abroad are warmly welcome to our company for cooperation.