The leading products include the QL0.5T-100T single and double point screw type opening and closing machines, which are divided into manual push with lock, closed hand cranked, and dual-purpose screw type opening and closing machines for both manual and electric use; QPQ, QPK, QHQ5T-250T fixed, mobile, single and double lifting point winch hoist. Gates: There are cast iron gates, cast iron inlaid copper gates, stainless steel gates, insert plate gates, flap gates (tide gates), barrier gates, steel structure gates (arc gates, flat sliding gates, flat fixed wheel gates), with specifications of 0.2 × 0.2-10 × 10 meters. Trash racks and various rubber water stops. Our products have been sold to more than 20 provinces, municipalities and autonomous regions across the country. Widely used in water conservancy projects such as drainage and irrigation, hydropower stations, rivers, aquaculture, reservoirs, and sewage treatment, it has received high praise from users.