2026 Top 10 Lock Manufacturers in China

Shandong Shengdian Water Conservancy Machinery Co., Ltd

Shandong Shengdian Water Conservancy Machinery Co., Ltd., with its registered address at No. 541-16 Tianjian Office Building, No. 104 Wuyingshan Road, Tianqiao District, Jinan City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Tianqiao District, Jinan City. The legal representative is Hou Lili, and the business scope includes the sales, maintenance, and technical services of mechanical and electronic equipment; Wholesale and retail: gate opening and closing machines, steel pipes, hydraulic complete sets of equipment, environmental protection equipment, glass products, water pumps, valves, mechanical equipment, fans, water purifiers, lifting equipment, high and low voltage distribution cabinets, control cabinets, steel, boilers, instruments and meters, electronic products, plastic products, rubber products, daily necessities, wires and cables, hardware and electrical equipment, industrial automation control equipment; Anti-corrosion engineering; Steel structure engineering; Mechanical and electrical equipment installation engineering; Technical development of power equipment; Import and export business. (Business activities can only be carried out after obtaining approval from relevant departments for projects that require approval according to law). Core products: Lock, Stainless Steel Flap Door, Pump Station Cast Iron Gate Steel Gate

Shandong Huanrun Engineering Materials Co., Ltd

Shandong Huanrun Engineering Materials Co., Ltd., registered in Xinzhen Village, Wangguadian Street Office, Feicheng City, Tai'an City, Shandong Province, with the registration authority of Feicheng Market Supervision Administration and the legal representative of Zhou Cuixiang, operates in general projects including the manufacturing of high-performance fibers and composite materials; Manufacturing of non-metallic mineral products; Manufacturing of plastic products; Manufacturing of metal materials; Manufacturing of engineering plastics and synthetic resins; Manufacturing of glass fiber reinforced plastic products; Manufacturing of fiberglass and related products; Manufacturing of synthetic materials (excluding hazardous chemicals); Manufacturing of new membrane materials; Manufacturing of industrial textile products; Synthetic fiber manufacturing; Manufacturing of building waterproofing membrane products; Manufacturing of new building materials (excluding hazardous chemicals); Manufacturing of lightweight building materials; Sales of rubber products; Manufacturing of asbestos products; Sales of building materials; Manufacturing of insulation and soundproofing materials; Sales of anti-corrosion materials; Sales of insulation materials; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Research and development of new material technology; Import and export of goods. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Lock, Storage And Drainage Plate, Unidirectional Tensile Plastic Geogrid

Shandong Yuyite New Materials Co., Ltd

Shandong Yuyite New Materials Co., Ltd., with its registered address at No. 262 Daoxiang Street, Dongping Street, Dongping County, Tai'an City, Shandong Province, is registered with the Dongping County Market Supervision and Administration Bureau. The legal representative is Tian Xilong, and its business scope includes general projects: sales of chemical products (excluding licensed chemical products); Sales of building materials; Sales of plastic products; Sales of non-ferrous metal alloys; Sales of building waterproofing membrane products; Sales of metal materials; Sales of rubber products; Sales of synthetic fibers; Sales of high-performance fibers and composite materials; Sales of glass fiber reinforced plastic products; Sales of cement products; Sales of insulation materials; Sales of synthetic materials; Sales of mechanical and electrical equipment; Sales of wind turbines and their components; Sales of valves and plugs; Sales of special equipment; Sales of engineering plastics and synthetic resins; Sales of building decoration materials; Fiber optic cable sales; Sales of concrete structural components; Sales of industrial textile products; Sales of anti-corrosion materials; Sales of daily miscellaneous goods; Sales of metal structures; Sales of cork products; Sales of metal wire ropes and their products; Sales of non-metallic minerals and products; Sales of mechanical equipment; Needle textile sales; Sales of coatings (excluding hazardous chemicals); Sales of fiberglass and related products; Sales of needle textiles and raw materials; Sales of office equipment; Sales of new ceramic materials; Sales of office supplies; Sales of lighting fixtures; Sales of signs for transportation and public management; Sales of office equipment and consumables; Sales of distribution switch control equipment; Floor sales; Sales of lightweight building materials; Sales of power facilities and equipment; Wood sales; Sales of high-performance non-ferrous metals and alloy materials; Retail of hardware products; Retail of stationery supplies; Retail of sports goods and equipment; Manufacturing of high-performance fibers and composite materials; Manufacturing of metal structures; Manufacturing of engineering plastics and synthetic resins; Manufacturing of glass fiber reinforced plastic products; Manufacturing of specialized machinery for the production of building materials; Manufacturing of building waterproofing membrane products; Manufacturing of industrial textile products; Manufacturing of lightweight building materials; Manufacturing of cement products; Manufacturing of household textile products; Manufacturing of metal wire ropes and their products; Manufacturing of lighting fixtures; Wholesale of hardware products; Research and development of recycling technology for waste asphalt; Wholesale of sports goods and equipment; Research and development of new material technology; Mechanical equipment leasing; Rental services (excluding licensed rental services); Manufacturing of metal signs for transportation and public management; Operation of wires and cables; Manufacturing of new building materials (excluding hazardous chemicals); Digital content production services (excluding publishing and distribution); Engineering management services; Professional design services; Organize cultural and artistic exchange activities; Construction of earthwork engineering; Wood processing; Advertising production; Advertising design and agency; Graphic Artist Designer. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law) Licensed project: construction project construction; Construction labor subcontracting; Construction professional operations; Road freight transportation (excluding dangerous goods); Installation of civil nuclear safety equipment; Installation, maintenance, and testing of power transmission, supply, and receiving facilities; Packaging decoration printing. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Lock, Asphalt Wood Wool Board, Fiberglass

Xingye Water Conservancy Machinery Factory in Xinhe County

Xingye Water Conservancy Machinery Factory in Xinhe County, Xingtai City, Hebei Province, with its registered address in Xiguan Village, Xinhe County. The registration authority is the Market Supervision Administration of Xinhe County, and the legal representative is Jia Yaolong. Its business scope includes general projects such as the manufacturing of water resources specialized machinery and equipment; Sales of mechanical equipment; Mechanical equipment leasing; Installation services for ordinary mechanical equipment; Rubber product manufacturing; Sales of rubber products; Specialized equipment repair; Retail of hardware products; Sales of metal structures; Manufacturing of metal structures; Manufacturing of plastic products; Sales of plastic products; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Labor services (excluding labor dispatch); Mechanical parts and component processing; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components; General equipment manufacturing (excluding special equipment manufacturing); Sales of special equipment; Construction of landscaping and greening projects; Construction of earthwork engineering; General equipment repair; Manufacturing of specialized equipment (excluding licensed professional equipment manufacturing) (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Lock, Manufacturing Flap Gate, Motor Unit

Xinhe Xingmiao Hydraulic Equipment Co., Ltd

Xinhe Xingmiao Hydraulic Equipment Co., Ltd., with its registered address located east of Yingbin Street and south of Binhe Road in Xinhe County, Xingtai City, Hebei Province, is registered with the Xinhe County Market Supervision and Administration Bureau. The legal representative is An Yanhong, and its business scope includes opening and closing machines, gates, water stop rubber, cleaning machines, trash racks, belt conveyors, environmental protection equipment, sewage treatment equipment, hydraulic equipment, water supply and drainage equipment, hydraulic metal structural components, automation control systems, fiberglass products, geotextiles, hydraulic dams, hinge dams, flap gates, barrier gates, fully automatic flushing systems, electromechanical equipment, sales, and installation; Waterproof engineering construction, anti-corrosion and maintenance services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Lock, Solar Gate, Rinse The Door

Xinghan Water Conservancy Machinery Factory in Xinhe County

Xinghan Water Conservancy Machinery Factory in Xinhe County, Xingtai City, Hebei Province, with its registered address in Fushen Village, Xinhe County. The registration authority is Xinhe County Market Supervision and Administration Bureau, and the legal representative is Qiu Maojun. Its business scope includes general projects such as opening and closing machines, gates, cleaning machines, trash racks, rubber waterstops, winches, hydraulic dams, pressure steel pipes, hydraulic metal structural components, environmental protection equipment, sewage treatment equipment, hydraulic equipment and accessories, automation control system equipment, and water supply and drainage irrigation equipment manufacturing and sales; Sales, anti-corrosion construction, and installation of complete sets of high and low voltage distribution equipment, water pumps, transformers, distribution cabinets, lifting equipment, valves, rubber products, bridge supports, bridge expansion joints, geotextiles, and geomembranes. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law).. Core products: Lock, Bottom Opening Barrier Gate, Hydraulic Flap Gate

Rigao Holdings Group Co., Ltd. Wenzhou Branch

Bali Village, Qiaoxia Town, Yongjia County, Wenzhou City, Zhejiang Province (within Yongjia Yuanquan Environmental Protection Technology Co., Ltd.)

RiGao Holdings Group Co., Ltd. Wenzhou Branch, located in Bali Village, Qiaoxia Town, Yongjia County, Wenzhou City, Zhejiang Province (within Yongjia County Yuanquan Environmental Protection Technology Co., Ltd.), was established on October 19, 2022. The registration authority is Yongjia County Market Supervision Administration, and the legal representative is Yang Jiankang. Core products: Lock, Pneumatic Fan-Shaped Blind Plate Valve, Hydraulic Ash Discharge Valve