2026 Top 10 Sight Glass Manufacturers in China Jiangsu

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, Plug Valve, Instrument Needle Valve

Jiangsu Donggong Valve Technology Co., Ltd

Jiangsu Donggong Valve Technology Co., Ltd., registered at No. 26 East Street, Qiangjia Village Committee, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province (109-06), registered with the Administrative Approval Bureau of Tianning District, Changzhou City, and represented by Huang Jinqing as the legal representative. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of valves and plugs; Valve and plug research and development; Sales of pumps and vacuum equipment; Sales of generators and generator sets; Sales of mechanical and electrical equipment; Sales of seals; Retail of hardware products; Sales of metal products; Sales of mechanical equipment; General equipment repair; Sales of instruments and meters; Sales of building materials; Sales of metal materials; Import and export of goods; Technology import and export; Installation services for ordinary mechanical equipment; Manufacturing of industrial automatic control system devices; Manufacturing of pneumatic power machinery and components (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law). Core products: Sight Glass, Electric Ball Valve, Butterfly 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, Through, Geya (Comprehensive)

Jiangsu Shangguang Valve Co., Ltd

Jiangsu Shangguang Valve Co., Ltd., registered at No. 18 Caihua East Road (Room 107), Tianning District, Changzhou City, with the administrative approval bureau of Tianning District, Changzhou City, and Huang Xiaodong as the legal representative, is engaged in licensed projects such as construction engineering (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 include the manufacturing of ordinary valves and plugs (excluding the manufacturing of special equipment); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of valves and plugs; Valve and plug research and development; Sales of pumps and vacuum equipment; Sales of generators and generator sets; Sales of mechanical and electrical equipment; Sales of seals; Retail of hardware products; Sales of metal products; Sales of mechanical equipment; General equipment repair; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of instruments and meters; Sales of building materials; Sales of metal materials; Import and export of goods; Technology import and export; Installation services for ordinary mechanical equipment; Manufacturing of industrial automatic control system devices; Manufacturing of pneumatic power machinery and components (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law). Core products: Sight Glass, Check Valve, Pneumatic Butterfly Valve

Jiangsu Baifa Fluid Technology Co., Ltd

Jiangsu Baifa Fluid Technology Co., Ltd., registered at No. 98 Wangjiang Road, Menghe Town, Xinbei District, Changzhou City, Jiangsu Province (Building 1, 127), registered with the Changzhou National High tech Industrial Development Zone (Xinbei District) Administrative Approval Bureau, with Huang Yipeng as the legal representative. Its business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of pneumatic power machinery and components; Manufacturing of power electronic components; Sales of valves and plugs; Valve and plug research and development; Sales of pneumatic power machinery and components; Sales of power electronic components; Retail of hardware products; Sales of household appliances; Sales of chemical products (excluding licensed chemical products); Sales of mechanical equipment; Operation of wires and cables; Sales of rubber products; Sales of firefighting equipment; Sales of building decoration materials; Installation services for ordinary mechanical equipment; General equipment repair; Specialized equipment repair; Import and export of goods; Technology import and export (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, Flame Arrester, Pressure Relief Valve

Yangzhong Zhengfang Plastic Products Co., Ltd

Yangzhong Zhengfang Plastic Products Co., Ltd. is registered at No. 168 Sansha Road, Sanmao Street, Yangzhong City. The registration authority is Yangzhong Municipal Government Service Management Office, and the legal representative is Guo Jishun. The business scope includes processing and manufacturing of plastic products, fiberglass products, sealing products, corrosion-resistant equipment, cable trays, busbars, switchgear, supports and hangers, metal products, chemical equipment, environmental protection equipment, pumps, instrument pipes and valves. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sight Glass, Diaphragm Valve, Breathing Valve

Zhenjiang Kailin Plastic Industry Co., Ltd

Zhenjiang Kailin Plastic Industry Co., Ltd. is registered at No. 8 Guangming Road, Yangzhong Economic Development Zone, Zhenjiang City. The registration authority is Yangzhong Administrative Approval Bureau, and the legal representative is He Kai. The business scope includes processing and manufacturing of plastic products, PTFE products, rubber products, pipeline equipment, cable trays, busbars, switchgear, and instrument pipe valves. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sight Glass, Waste Gas Tower, Blind Flange