2026 Top 10 Sight Glass Manufacturers in China

Wenzhou Jiayi Machinery Equipment Co., Ltd

Wenzhou Jiayi Machinery Equipment Co., Ltd., registered at 187 Binhai Wudao, Wenzhou City, Zhejiang Province, with the Market Supervision Administration of Longwan District, Wenzhou City as its legal representative, Xiong Fei. Its business scope includes general projects such as general equipment manufacturing (excluding special equipment manufacturing); Sales of mechanical equipment; Manufacturing of ordinary valves and plugs; Sales of valves and plugs; Manufacturing of hardware products; Wholesale of hardware products; Retail of hardware products; Sales of technical glass products; Sales of daily glass products; Manufacturing of instruments and meters; Sales of instruments and meters (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: Sight Glass, Level Gauge Angle Valve, Stainless Steel Flame Arrester

Jiangsu Zhongce Valve Co., Ltd

Jiangsu Zhongce Valve Co., Ltd., with its registered address at Room 1004, Building 1, Beicheng Tianjie, No. 198 Dongjing 120 Road, Xinbei District, Changzhou City. The registration authority is the Administrative Approval Bureau of Changzhou National High tech Industrial Development Zone (Xinbei District), and the legal representative is Sun Jianmin. Its business scope includes technology development, technology transfer, installation, maintenance, sales, and online trade agency of valves and drive devices, industrial automation equipment, mechanical equipment, fluid equipment, and environmental protection equipment; Sales and online trade agency of power equipment, instruments and meters, building materials, metal materials and products; Import and export business of various commodities and technologies through self operation and agency (except for commodities and technologies restricted or prohibited from import and export by the state). Operating at the lower limit of branch offices: manufacturing and processing of valves, mechanical equipment, and accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sight Glass, Drainer, Globe Valve

Jiangsu Tiewang Valve Technology Co., Ltd

Jiangsu Tiewang Valve Technology Co., Ltd. is registered at Room 604, Building 2, Elegant Commercial Plaza, Xinbei District, Changzhou City. The registration authority is the Administrative Approval Bureau of Changzhou National High tech Industrial Development Zone (Xinbei District), and the legal representative is Zhou Zhiming. The business scope includes research and development, technology transfer, installation, maintenance, sales, and online sales of valves and drive devices, industrial automation equipment, mechanical equipment, fluid equipment, and environmental protection equipment; Sales and online sales of electrical equipment, instruments and meters, building materials, metal materials and products; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval); Manufacturing and processing of valves and mechanical components (limited to branch operations). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sight Glass, Exhaust Valve, Pneumatic Butterfly Valve

Jiangsu Yufa Valve Technology Co., Ltd

Jiangsu Yufa Valve Technology Co., Ltd., with its registered address at No. 1412, Building 3, No. 101 Qingyang North Road, Tianning District, Changzhou City, Jiangsu Province, is registered with the Tianning District Government Service Management Office of Changzhou City. The legal representative is Huang Suai, and the business scope includes licensed projects: installation, renovation, and repair of special equipment (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results). General projects: research and development of valves and plugs; Sales of gas compression machinery; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of pumps and vacuum equipment; Sales of mechanical equipment; Mechanical equipment research and development; Sales of mechanical parts and components; Retail of hardware products; Sales of firefighting equipment; Sales of intelligent instruments and meters; Sales of metal materials; Sales of building materials (except for projects that require approval according to law, conducting business activities independently with a business license in accordance with the law). Core products: Sight Glass, Breathing Valve, Pipe Clamp Valve

Cangzhou Xiangsheng Pipeline Equipment Manufacturing Co., Ltd

Cangzhou Xiangsheng Pipeline Equipment Manufacturing Co., Ltd. is registered in Zhouwu Village, Bianwu Township, Yanshan County. The registration authority is the Market Supervision Administration of Yanshan County, and the legal representative is Zhou Qingxiang. Its business scope includes manufacturing and selling manholes, valves, supports and hangers, smoke, air and coal powder pipeline equipment, compensators, pipelines, pipeline accessories, power plant accessories, flanges, elbows, tees, wear-resistant pipe fittings, and pump truck pump accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sight Glass, Head, Flanging

Jiangsu Zhongtang Valve Technology Co., Ltd

Jiangsu Zhongtang Valve Technology Co., Ltd., registered at No. 105, Lvchangtou, Puqian Community, Lanling Street, Tianning District, Changzhou City, registered with the Administrative Approval Bureau of Tianning District, Changzhou City, with Huang Yongfa as the legal representative. Its business scope includes general projects such as valve and plug research and development; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Wholesale of hardware products; Sales of instruments and meters; Sales of industrial automatic control system devices; Sales of firefighting equipment; Sales of specialized equipment for environmental protection; Sales of pneumatic power machinery and components; Sales of mechanical and electrical equipment; Sales of mechanical parts and components; Sales of metal materials; Sales of fasteners; Sales of pipeline transportation equipment; Information system integration services (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: Sight Glass, Filter, Discharge Valve

Jiangsu Geya Machinery Technology Co., Ltd

Jiangsu Geya Machinery Technology Co., Ltd., with its registered address at No. 666 Hongxing Road, Yangzhong Economic Development Zone, Zhenjiang City, is registered with the Yangzhong Municipal Government Service Management Office and represented by Zhu Jizhen. Its business scope includes general projects such as engineering and technical research and experimental development; Mechanical equipment research and development; Sales of mechanical equipment; Manufacturing of instruments and meters; Sales of instruments and meters; Rubber product manufacturing; Sales of rubber products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Sealing component manufacturing; Sales of seals; Manufacturing of general components; Mechanical parts and component processing; Sales of mechanical parts and components; Manufacturing of hardware products; Wholesale of hardware products; Retail of hardware products; Sales of pipeline transportation equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Sales of electrical equipment; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of power electronic components; Sales of power electronic components; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Manufacturing of metal structures; Sales of metal structures; Manufacturing of electrical accessories; Sales of electrical accessories; Manufacturing of security equipment; Sales of security equipment; Sales of communication equipment; Needle textile sales; Import and export of goods; Technology import and export; Import and export agency (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: Sight Glass, Pp Pipe Fittings, Frpp Pipe