Hanwei Electronics Group Corporation (ISO9001-2000 certified) build in 1984, and is a professional manufacturer expertise in the R&D and mass-production of the gas sensors and gas detectors in China. Unlike most of the other gas detection companies, we develop and manufacture the gas sensors, which are used in our gas detection products. Some of our products are for CE and TUV approval. Certainly, we also supply professional and exact technical service and design projects to meet the local customer's need. OEM and ODM are welcome.

KUNSHAN AST Optoelectronics Co., Ltd designs, develops and manufactures high quality and affordable electronic device, especially in the field of NDIR gas measurement, our team has 15 years of development experience.

Nanjing KELISAIKE Safety Equipment Co., Ltd. is a leading professional manufacturer of gas detector, engaged in researching and developing high quality air-sensitive technology. Our company has first-grade equipment, scientific methods, project management system and excellent employees. As a professional supplier and agent of industrial instrumentations, we have been specializing in the field for more than 10 years. Now KELISAIKE has three subsidiary companies, located in the cities of Beijing, Xi'an and Xinjiang, and the business scope has covered nearly all the municipal areas of China.

Shenzhen Fitconn Technology Co., Ltd was founded in 2012 (its predecessor, Fure Industry Co., Ltd., was established in Hong Kong in 2007), Factory area 4988 square meters, It is a comprehensive enterprise dedicated to the research and development, manufacturing, sales and after-sales service of household medical products. The products cover nebulizer (compressor nebulizer, DC Compressor nebulizer and Mesh nebulizer), anti-decubitus air mattress, oximeters, fetal doppler, blood pressure monitors, etc. The business covers more than 150 countries around the world, with an average annual service of more than 2, 000, 000 family.

Qingdao Kerun Bio-technology Co., Ltd. is a comprehensive high-tech enterprise incorporating bio-tech research, development, manufacture and trade, which has three branches as textile auxiliary branch, water treatment branch and leather auxiliary branch and sets up technology R&D departments as Shanghai R&D center, Hefei laboratory, Qingdao R&D center to provide fast and reliable technical support and quality assurance for new product development and upgrade.

Ningxia Nuoke Yinfeng Intelligent And Technology Co., Ltd., a specialized company with a solid 23-year history in gas detection instruments.

Qingdao Jinyu Chemical Co., Ltd, which is located in Qingdao City, China, with registered capital of RMB 10 million, is a dynamic chemical import and export enterprise with customer demand as its own responsibility. The founder has been engaged in the chemical industry for more than 20 years. With professional technical and marketing personnel, diversified cooperative factories with synthetic technology and efficient logistics management, we provide services to customers all over the world. After years of hard work, we have selected a number of excellent chemical production cooperative enterprises in China. These enterprises have their own advantages in different chemical synthesis fields. They have passed the strict inspection of suppliers by many customers and formed a long-term and stable strategic partnership with customers. With our partners' excellent equipment, well-trained employees and mature technology, we also continue to provide customers with more products.

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