HSD specializes in the production and distribution of advanced technology products.

Shenzhen Hongyanghong Technology Co., Ltd. is a newly emerging technology enterprise integrating scientific research, development, design, production, and sales, specializing in the production of PCB series drill bits, packaging boxes for milling cutters, and various models of drill bit adapters.

Shenzhen Xinmingda Electronic Technology Co., Ltd.

Suzhou Junchang Communication Technology Co., Ltd.

Shenzhen Jieheng'an Intelligent Technology Co., Ltd. specializes in the research and development, production, sales and service of intelligent channel products such as intelligent channel gates, pedestrian channel gates, turnstile gates, kindergarten gates, swing gates, etc. If you want to choose an intelligent channel gate system, look for Jieheng'an Intelligent Technology.

Suzhou Jingmiao Precision Technology Co., Ltd. is a precision instrument manufacturer integrating design, development, manufacturing and sales. Relying on domestic and foreign high-tech industrial technologies, the company has developed a series of optical measuring instruments with leading technology, excellent quality and powerful functions, and provides complete measurement solutions and high-quality professional equipment. Ningbo image measuring instrument, Wuhu two-dimensional measuring instrument, Suzhou image instrument, image measuring instrument, image instrument, two-dimensional measuring instrument, Suzhou image instrument manufacturer

Shenzhen Kaixin Machinery Co., Ltd. specializes in the production of accessories such as coring columns, rubber machine columns, vulcanizing machine columns, hydraulic press columns, injection molding machine tie rods, injection molding machine guide rods, cylinder piston rods, chrome-plated tie rods, chrome-plated shafts, rubber machinery parts, large-scale CNC machining, etc. The company has perfect pre-sales and after-sales services and many years of experience. The products have been exported to domestic and overseas markets.

Shenzhen New Direction Technology Co., Ltd. independently developed venous projection equipment and venous visualization equipment with independent intellectual property rights, creating a precedent for the application of in-situ projection technology in clinical medicine in my country. The equipment such as vascular imagers, vascular imaging devices and venous imagers has many technical patents.

The main products produced and operated by our company are: metal stamping parts, connectors, metal raw materials, molds

Shenzhen Bonai Pump Manufacturing Co., Ltd. (formerly Sonai Pump) is a pump company integrating professional research, design, production and sales. The company focuses on: rotary vane vacuum pumps, corrosion-resistant diaphragm pumps, QBK pneumatic diaphragm pumps, QBY pneumatic diaphragm pumps, stainless steel diaphragm pumps, plastic diaphragm pumps, pneumatic diaphragm pumps, diaphragm pumps, thick slurry pumps, single screw pumps, pipeline centrifugal pumps, submersible sewage pumps, rotary vane vacuum pumps, water ring vacuum pumps and other types of corrosion-resistant series water pumps. The company adheres to the business philosophy of small profits but quick turnover and provides our customers with the best products and the most complete after-sales service.