2026 Top 10 Tighten The Seal Manufacturers in China

Shandong Zhongtuo Dingcheng Chemical Machinery Co., Ltd

Shandong Zhongtuo Dingcheng Chemical Machinery Co., Ltd., with its registered address at No. 79, Daxu Village, Beijing Road, Fujia Town, Zibo Economic Development Zone, Zibo City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Zibo Economic Development Zone. The legal representative is Fu Yanhong, and its business scope includes general projects such as manufacturing of specialized equipment for oil refining and chemical production; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of coal-fired flue gas desulfurization and denitrification equipment; Sales of coal-fired flue gas desulfurization and denitrification equipment; Manufacturing of mechanical and electrical equipment; Sales of electrical equipment; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment; General equipment manufacturing (excluding special equipment manufacturing); Sales of special equipment; Manufacturing of metal materials; Mechanical equipment research and development; Sales of electrical and mechanical equipment; Sales of mechanical equipment; Installation services for ordinary mechanical equipment; Specialized equipment repair; Sales of metal products; Research and development of metal products; Sales of valves and plugs; Sales of high-performance non-ferrous metals and alloy materials; Sales of metal materials; Sales of metal based composite materials and ceramic based composite materials; Mechanical parts and component processing; Sales of mechanical parts and components; Wholesale of hardware products; Sales of building materials; Sales of chemical products (excluding licensed chemical products); Sales of refractory materials; Sales of non-metallic minerals and products; Sales of metal ores; Sales of building decoration materials; Sales of building waterproofing membrane products; Sales of electronic components and electromechanical equipment; Sales of non-ferrous metal alloys; Sales of electrical equipment; Sales of metal cutting and welding equipment; Sales of gears, gear reducers, and gearboxes; Sales of renewable resources; Environmental consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Conference and exhibition services; Loading and unloading handling. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Road freight transportation (excluding dangerous goods); Import and export of goods; Technology import and export. (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: Tighten The Seal, Desulfurization Mixer, Enamel Mixer

Langfang Ruixu Sealing Materials Co., Ltd

Langfang Ruixu Sealing Materials Co., Ltd., registered in Xiaoguang'an Village, Dacheng County, registered with the Market Supervision and Administration Bureau of Dacheng County, Langfang City, represented by He Shuanglong as the legal representative. Its business scope includes processing and sales of rubber gaskets, metal winding gaskets, graphite composite gaskets, ladle gaskets, graphite gaskets, PTFE gaskets, PTFE plates, corrugated gaskets, toothed gaskets, elliptical gaskets, octagonal gaskets, and clay fillers; Sales: insulation materials, fireproof materials, polycrystalline silicon. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Tighten The Seal, Metal Wrapped Gasket, Polytetrafluoroethylene Board

Yimei Machinery Equipment Manufacturing Co., Ltd

Yimei Machinery Equipment Manufacturing Co., Ltd., registered at No. 11 Kaiyuan Road North, Jining High tech Zone, with the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone as the registration authority and Qu Qing as the legal representative, engages in the manufacturing and sales of mechanical equipment, mechanical electrical appliances, and accessories; Import and export business of goods and technology (excluding goods and technology prohibited or restricted by the state); Wholesale and retail of electrical machinery and equipment, hardware and chemical products (excluding hazardous chemicals), steel wire ropes, mining equipment, and steel; Installation of coal mine machinery and equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Tighten The Seal, Supporting Equipment, Petroleum Equipment

Langfang Yuankun Sealing Materials Co., Ltd

Langfang Yuankun Sealing Materials Co., Ltd. is registered in Liuguxian Village, Zangtun Township, Dacheng County, Langfang City, Hebei Province. The registration authority is the Administration for Industry and Commerce of Dacheng County, Langfang City, and the legal representative is Xue Pengkun. The business scope includes the production and sales of polytetrafluoroethylene products, packing roots, rubber products, graphite products, metal pads and sheets, biomass pellet combustion machines, packaging machines, cement foam products, silicon board equipment, non dismantling template equipment, and packaging machines; Sales: asbestos products, fiberboard, mats, fireproof materials, insulation materials, chemical products (excluding hazardous chemicals). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Tighten The Seal, Modified Ptfe Gasket, Ptfe Coated Corrugated Plate Gasket

Yaoying Industrial and Mining Parts Store in Xitantou, Yongnian District, Handan City

Yaoying Industrial and Mining Accessories Store in Xitantou, Yongnian District, Handan City, Hebei Province, with its registered address at Yonghe Road South, Xitantou, Linmingguan Town, Yongnian District, Handan City. The registration authority is Yongnian District Market Supervision Administration, and the legal representative is Wang Xiaoxiao. Its business scope includes the sale of industrial and mining accessories, railway accessories, rubber products, hardware and labor protection, power fittings, fasteners, and steel (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Tighten The Seal, Sleeper, Gauge Guard

Hebei Zhenghao Fastener Manufacturing Co., Ltd

Hebei Zhenghao Fastener Manufacturing Co., Ltd., with its registered address at Xiduan Zhuang Village, Linmingguan Town, Yongnian District, Handan City, Hebei Province, is registered with the Yongnian District Market Supervision Administration Bureau and represented by Wu Shifang. Its business scope includes the manufacturing and sales of fasteners and metal products; Sales of railway accessories, industrial and mining accessories, transportation facility accessories, photovoltaic accessories, building accessories, steel structure accessories, hardware and electrical materials, power equipment, and steel; Import and export business of goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)**. Core products: Tighten The Seal, Pipe Bolt, Standard Parts

Wenzhou Xianghui Hardware Factory

Wenzhou Xianghui Hardware Factory, registered address at No. 58 Menyang Road, Ehu Village, Nanbaixiang Street, Ouhai District, Wenzhou City, Zhejiang Province, registered with the Market Supervision and Administration Bureau of Ouhai District, Wenzhou City. The legal representative is Pan Jianchun, and the business scope includes hardware manufacturing, processing, and sales (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Tighten The Seal, Non Standard Copper Parts, Non Standard Iron Parts