QHYCCD is the world's leading manufacturer of astronomical and scientific cameras, with products covering amateur and scientific-grade cooled and uncooled CCD and CMOS cameras, including astronomical cryo-cameras, planetary guide cameras, and innovative astronomical products such as electronic polar scopes. At the same time, QHYCCD has self-developed high-end scientific research cameras such as large-format cameras, large-pixel cameras, polarization cameras, and short-wave infrared cameras, providing special customized cameras and solutions for large scientific projects.

Tsinghua Unigroup Solar Energy Co., Ltd. is dedicated to Tsinghua Unigroup solar water heaters, Tsinghua Unigroup healthy drinking solar thermal energy collection projects

Changshu Qiwei Packaging Machinery Co., Ltd. provides bag sewing machines, sewing machines, woven bag sewing machines and other products. Bag sewing machines and sewing machine products are sold to Jiangsu, Shanghai, Zhejiang, Shandong, Anhui, Suzhou and other regions across the country. It is committed to bag sewing machine research and development, sewing machine research and development, woven bag sewing machine production, bag sewing machine production, portable bag sewing machine production, bag folding machine, sewing machine supporting services

The Animal and Plant Quarantine Agency undertakes quarantine inspections, provides plant and animal health services, and regulates the import and export of agricultural products.

QiAir is a manufacturer and supplier of compressors in China.

Qian - Computing, POS, CCTV and Digital Signage Solutions

Qingdao Qianchuan Wood Industry Equipment Co., Ltd. is a professional enterprise integrating design, production and sales of wood industry machinery and equipment. It specializes in the production of sanding machine equipment. It has been engaged in the production and research and development of sanding machines for many years. Its brands Qianchuan sanding machines and piano key sanding machines are sold at home and abroad! Choose a sanding machine, choose Qianchuan Wood Industry Equipment Co., Ltd.!

Hangzhou Qiandao Pump Industry Co., Ltd. (www.qiandaopump.com.cn) is a supplier of water jet vacuum units, vacuum filter tanks, and Roots water jet vacuum pumps.

Qingdao Dry Ear Hearing Technology Co., Ltd. was founded in 1999. It is one of the largest professional hearing aid matching and auditory speech rehabilitation chain organizations in Qingdao. It is a member of world-famous brands - Starkey of the United States, Phonak of Switzerland, Oticon of Denmark, Germany's Signia and Denmark's ReSound hearing aids are strategic partners in China. Specializing in hearing testing, Qingdao hearing aid selection, hearing aid repair, speech training for deaf children, hearing rehabilitation guidance and other auditory speech work.

Dongtai Jieer Grain and Oil Machinery Co., Ltd.