2026 Top 10 Overall Airtightness Tester Manufacturers in China

Shanghai Chengsi Intelligent Technology Co., Ltd

Shanghai Chengsi Intelligent Technology Co., Ltd., registered at No. 599 Zhongmin Road, Lane 1, 2nd Floor, Building 3, 2014, Maogang Town, Songjiang District, Shanghai. The registration authority is the Songjiang District Market Supervision Administration, and the legal representative is Zhou Naifeng. The business scope includes licensed projects such as the production of Class II medical devices; Production of Class III medical devices; Third class medical device operation; Import and export of goods; Technology import and export; Import and export agency. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses of relevant departments.) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Electronic product sales; Retail of electronic components; Sales of instruments and meters; Sales of automotive decorative products; Retail of computer software, hardware, and auxiliary equipment; Sales of plastic products; Sales of metal materials; Sales of metal products; Sales of metal structures; Sales of environmental emergency detection instruments and meters; Sales of drug testing instruments; Sales of specialized testing instruments for textiles; Sales of experimental analytical instruments; Sales of Class I medical devices; Sales of Class II medical devices; Sales of daily chemical products; Installation services for ordinary mechanical equipment; Electrical equipment repair; Instrument and meter repair; Software development; Information system operation and maintenance services; Internet sales (except for the sale of goods that need to be licensed); Manufacturing of mechanical and electrical equipment; Mechanical parts and component processing; Manufacturing of electronic components and electromechanical equipment; Manufacturing of electronic specialized equipment; Manufacturing of instruments and meters; Manufacturing of electronic measuring instruments; Manufacturing of specialized testing instruments for textiles; Manufacturing of experimental analytical instruments; Production of Class I medical devices. (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: Overall Airtightness Tester, Hydraulic Pressure Tester, Hammer Ball

Hebei Tianqi Xingzi Testing Equipment Co., Ltd

Hebei Tianqi Xingzi Testing Equipment Co., Ltd., with its registered address in Dongkongzhuang Village, Guozhuang Town, Xian County, Cangzhou City, Hebei Province, is registered with the Xian County Market Supervision and Administration Bureau. The legal representative is Li Junzhou, and its business scope includes research and development, production, and sales of engineering testing equipment, environmental testing equipment, material testing equipment, testing machines, garden and agricultural machinery, building materials, textile materials, testing instruments, medical instruments, teaching instruments, scientific research instruments, agricultural products, household goods, hardware and electrical appliances, environmental protection equipment, photography equipment, communication equipment, clothing and shoes, sports goods, automotive parts, and electronic products; Import and export of self operated goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Overall Airtightness Tester, Mortar Testing Instruments And Equipment, Geotechnical/Soil Testing Instruments

Shanghai Chengwei Instrument Technology Co., Ltd

Shanghai Chengwei Instrument Technology Co., Ltd. is registered at Room 1808, 1809, Lane 1588, Wangyuan South Road, Fengxian District, Shanghai. The registration authority is the Market Supervision Administration of Fengxian District, and the legal representative is Zhou Huawei. The company's business scope includes technology development, technical consulting, technical services, and technology transfer in the fields of instrument and meter technology, intelligent technology, and electronic technology. The company also engages in wholesale and retail of electronic products, electronic components, instruments and meters, automotive supplies, computers, software and auxiliary equipment, plastic products, metal materials, metal products, stainless steel products, hardware products, molds, mechanical and electrical equipment and accessories processing (limited to branch operations), wholesale and retail, mechanical and electrical equipment installation and maintenance. Projects that require approval according to law can only carry out business activities after being approved by relevant departments. Core products: Overall Airtightness Tester, Protective Clothing Testing Equipment, Automotive Testing Instruments

Suotong (Shanghai) Instrument Technology Co., Ltd

Suotong (Shanghai) Instrument Technology Co., Ltd., with its registered address at 10th Floor, Building 3, No. 655 Gaoji Road, Sijing Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration. The legal representative is Sun Dike, and its business scope includes technology development, consulting, services, and transfer in the fields of instrument technology and biotechnology, wholesale and retail of instruments, first-class medical equipment, refrigeration equipment, electronic products, lighting equipment, stainless steel products, glass products, household appliances, electromechanical equipment, communication equipment, office supplies, clothing and apparel, computers, software, and auxiliary equipment, business information consulting, professional construction of building decoration and construction projects, and import and export of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Overall Airtightness Tester, Chemical Protective Clothing, Mask Detection Equipment

Shanghai Chengwei Instrument Technology Co., Ltd

Shanghai Chengwei Instrument Technology Co., Ltd. is registered at Room 1808, 1809, Lane 1588, Wangyuan South Road, Fengxian District, Shanghai. The registration authority is the Market Supervision Administration of Fengxian District, and the legal representative is Zhou Huawei. The company's business scope includes technology development, technical consulting, technical services, and technology transfer in the fields of instrument and meter technology, intelligent technology, and electronic technology. The company also engages in wholesale and retail of electronic products, electronic components, instruments and meters, automotive supplies, computers, software and auxiliary equipment, plastic products, metal materials, metal products, stainless steel products, hardware products, molds, mechanical and electrical equipment and accessories processing (limited to branch operations), wholesale and retail, mechanical and electrical equipment installation and maintenance. Projects that require approval according to law can only carry out business activities after being approved by relevant departments. Core products: Overall Airtightness Tester, Packaging Material Testing Instruments, Paper Testing Instruments

Shanghai Chengsi Intelligent Technology Co., Ltd

Shanghai Chengsi Intelligent Technology Co., Ltd., registered at No. 599 Zhongmin Road, Lane 1, 2nd Floor, Building 3, 2014, Maogang Town, Songjiang District, Shanghai. The registration authority is the Songjiang District Market Supervision Administration, and the legal representative is Zhou Naifeng. The business scope includes licensed projects such as the production of Class II medical devices; Production of Class III medical devices; Third class medical device operation; Import and export of goods; Technology import and export; Import and export agency. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses of relevant departments.) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Electronic product sales; Retail of electronic components; Sales of instruments and meters; Sales of automotive decorative products; Retail of computer software, hardware, and auxiliary equipment; Sales of plastic products; Sales of metal materials; Sales of metal products; Sales of metal structures; Sales of environmental emergency detection instruments and meters; Sales of drug testing instruments; Sales of specialized testing instruments for textiles; Sales of experimental analytical instruments; Sales of Class I medical devices; Sales of Class II medical devices; Sales of daily chemical products; Installation services for ordinary mechanical equipment; Electrical equipment repair; Instrument and meter repair; Software development; Information system operation and maintenance services; Internet sales (except for the sale of goods that need to be licensed); Manufacturing of mechanical and electrical equipment; Mechanical parts and component processing; Manufacturing of electronic components and electromechanical equipment; Manufacturing of electronic specialized equipment; Manufacturing of instruments and meters; Manufacturing of electronic measuring instruments; Manufacturing of specialized testing instruments for textiles; Manufacturing of experimental analytical instruments; Production of Class I medical devices. (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: Overall Airtightness Tester, Aging Environment Detection Instrument, Pressure Tester

Hangzhou Chaoju Technology Co., Ltd

Hangzhou Chaoju Technology Co., Ltd., with its registered address at Room 701, Building 2, No. 17 Xinran Street, Sandun Town, Xihu District, Hangzhou City, Zhejiang Province, is registered with the Market Supervision Administration of Xihu District, Hangzhou City. The legal representative is He Lan, and the business scope includes general projects such as instrument manufacturing; Manufacturing of geological exploration and seismic specialized instruments; Manufacturing of electronic specialized equipment; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Sales of instruments and meters; Manufacturing of electronic measuring instruments; Sales of geological exploration and seismic specialized instruments; Sales of electronic specialized equipment; Sales of air pollution monitoring and detection instruments and meters; Software development; Development of network and information security software; Development of artificial intelligence application software; Wholesale of computer software, hardware, and auxiliary equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion (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: Overall Airtightness Tester, Nitrogen Hydrogen Leak Detector, Pressure Vessel