Dongguan Minghe Instrument Co., Ltd located in Zhangmutou Town, Dongguan City, Guangdong Province, has been deeply engaged in the field of spring testing instruments for over 20 years.
Our main product spring length detector (SLD), has been took 80 to 90 %  of the market share . With its superior quality, reasonable prices, and excellent services, it has been widely recognized and known in the spring testing industry.
Including SLD, MHDZ also doing business of second hand machine business, machine , maintenance, spring machine controller, etc.
Since 2023, MH Officially cooperated with Truslink, we invested and started Camera Inspection Project, and manufacturing camera inspection machine, we attache great importance to technological research and development and has overcome many technical difficulties in the application of visual inspection in springs. At the same time, it has also made certain breakthroughs in industries such as hardware parts, plastic parts, and oil seal products. We will continue to focus on technological breakthroughs, emphasize after-sales support, and continue to provide excellent products and services to the market.