2026 Top 10 Sealing Tester Manufacturers in China

Shandong Sanquan Zhongshi Experimental Instrument Co., Ltd

1635, Greenland Quanjing Yayuan Business Building, Qilishan Street, Shizhong District, Jinan City, Shandong Province

Shandong Sanquan Zhongshi Experimental Instrument Co., Ltd. is located at 1635, Greenland Quanjing Yayuan Business Building, Qilishan Street, Shizhong District, Jinan City, Shandong Province. It was established on December 28, 2025 and registered with the Market Supervision Administration of Shizhong District, Jinan City. The legal representative is Su Shuyan. Core products: Sealing Tester, Leak-M Multi-Channel Sealed Leak Detector, Injection Needle Toughness Tester

Guangzhou Biaoji Packaging Equipment Co., Ltd

Guangzhou Biaoji Packaging Equipment Co., Ltd., with its registered address at Room 201, No. 3 Linjiang Road, Guangzhou Economic and Technological Development Zone, Huangpu District, Guangzhou City, is registered with the Market Supervision Administration of Huangpu District, Guangzhou City. The legal representative is Zhou Xuecheng, and its business scope includes research and development of electronic, communication, and automatic control technologies; Software testing services; Electronic engineering design services; Information and electronic technology services; Software development; Integrated circuit design; Manufacturing of specialized packaging equipment; Manufacturing of experimental analytical instruments; Manufacturing of testing machines; Manufacturing of supply instruments and other general instruments; Manufacturing of transportation equipment and counting instruments for production; Manufacturing of industrial automatic control system devices; estate management; Non residential real estate leasing; Food testing services; Production of medical electronic instruments and equipment (specific production scope subject to the Medical Device Production Enterprise License). Core products: Sealing Tester, Modified Atmosphere Fresh-Keeping Box, Impact Tester

Jinan Mile Instrument Co., Ltd

Building 12-602, Phase 2, No. 1 Land, Jinan Zhangjin Comprehensive Bonded Zone Science and Technology Innovation Center, Liandong U Valley, Suncun Street, Jinan Area, China (Shandong) Pilot Free Trade Zone

Jinan Millai Instrument Co., Ltd. is located at Building 12-602, Phase 2, No. 1 Land, Jinan Zhangjin Comprehensive Bonded Zone Science and Technology Innovation Center, Liandong U Valley, Suncun Street, Jinan Area, China (Shandong) Pilot Free Trade Zone. It was established on September 29, 2011, with the registration authority of the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee and the legal representative being Li Guangying. Core products: Sealing Tester

Shandong Tianyan Instrument Co., Ltd

Shandong Tianyan Instrument Co., Ltd., with its registered address at Room 423, 4th Floor, Building 1, Optoelectronic Industry Accelerator (Phase I), No. 155 Guangdian Road, Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province, is registered with the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone. The legal representative is Zhou Yong, and the business scope includes general projects: manufacturing of experimental and analytical instruments; Manufacturing of instruments and meters; Sales of instruments and meters; Sales of specialized teaching instruments; Electronic product sales; Manufacturing of specialized instruments; Sales of chemical products (excluding licensed chemical products); Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Information consulting services (excluding licensed information consulting services); Enterprise management consulting; Engineering management services; Research and development of Internet of Things technology; Manufacturing of IoT devices; Sales of IoT devices; Intelligent control system integration; Air pollution control; Water pollution control; Environmental protection monitoring; Sales of specialized chemical products (excluding hazardous chemicals); General equipment repair; Specialized equipment repair; Mechanical equipment leasing; Rental services (excluding licensed rental services). (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: Sealing Tester, Food Safety Detector, Soil Nutrient Detector

Jining Yuzhe Industrial Technology Co., Ltd

Jining Yuzhe Industrial Technology Co., Ltd., registered at Room 1609, Block B, Zhongde Plaza, Liying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Fu Kaixuan, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of construction machinery; Manufacturing of security equipment; Sales of mechanical equipment; Sales of mechanical and electrical equipment; Wholesale of electronic components; Sales of security equipment; Sales of diving rescue equipment; Sales of synthetic materials; Sales of metal products. (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: Sealing Tester, Instrumentation And Meters, Firefighting Equipment

Shandong Lanjing Electronic Technology Co., Ltd

Shandong Lanjing Electronic Technology Co., Ltd. is registered at Room 105, 1st Floor, Workshop 3, Oulong Technology Park, No.1 Jinma Road, Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province. The registration authority is the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone, and the legal representative is Zhang Xiaotong. The business scope includes licensed projects such as construction projects. (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 issued by relevant departments.) General project: Internet of Things technology services; Manufacturing of IoT devices; Manufacturing of network equipment; Sales of network equipment; Manufacturing of intelligent unmanned aerial vehicles; Sales of intelligent unmanned aerial vehicles; Manufacturing of testing machines; Sales of testing machines; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of electronic measuring instruments; Sales of electronic measuring instruments; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Repair of communication equipment; Electrical equipment repair; Specialized equipment repair; Instrument and meter repair; Sales of broadcasting and film equipment; Electronic product sales; Sales of specialized equipment for environmental protection; Sales of office equipment; Sales of chemical products (excluding licensed chemical products); Sales of specialized teaching instruments; Sales of mechanical equipment; Retail of hardware products; Wholesale of hardware products; Environmental consulting services; Industrial engineering design services; Enterprise management consulting; Internet data service; Software development; Sales of Class I medical devices; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Engineering management services. (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: Sealing Tester, Hydrological And Hydraulic Instruments, Online Water Quality Monitoring Instrument

Jinan Languang Electromechanical Technology Co., Ltd

Jinan Languang Electromechanical Technology Co., Ltd., with its registered address at No. 144 Wuyingshan Road, Tianqiao District, Jinan City, is registered with the Market Supervision and Administration Bureau of Tianqiao District, Jinan City. The legal representative is Jiang Yunzhong, and its business scope includes the development, manufacturing, sales, and related technical services of testing instruments, meters, and mechanical equipment; Development and sales of computer software; Import and export business. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Sealing Tester, Headspace Analyzer/Residual Oxygen Analyzer, Packaging Testing Equipment