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Company profile

Shenzhen Dingzhun Electronics Co., Ltd. (hereinafter referred to as "TOPS") was founded in 2005 and focuses on the R & D, production and sales of Environmental simulation & mechanical test equipment. Since its establishment, TOPS has always adhered to "leading technology and quality first" Business policy. TOPS continue to invest in the R & D and application of new products and technologies. Over the years, TOPS have successfully applied for 18 software copyright patents, 15 utility model patents and 5 invention patents. It is a high-tech enterprise driven by technological innovation.

With the efforts of all employees for 18 years, the company's products have successfully entered Apple, Huawei, Xiaomi, Flextronics, TDK, EPCOS, Sony, Murata, ATL, NVT,LG, BOE, Varitronix, Laibao,China-Fenghua, Sinopack, Harman, Skullcandy, BYD, Sunwoda, Liwinon, Lishen, Chang'an Automobile, JAC, American Amphenol group, Germany Friwo group, Gangao group, 3onedata, II-VI, Taiwan LEI, Taiwan Primax, Taiwan TPK, Taiwan SMP, Taiwan LITEON, Dajiang and other world-famous enterprises.

After 18 years of market tempering and technology accumulation, the company's product quality and manufacturing process, non-standard customization ability and innovation ability have been at the leading level in China. TOPS are also in a rising trend in the competition for international high-end market share with Japan Espec and Germany Weisi.

With high-quality innovative products and good after-sales service, our products are widely used in household appliances, electrical communication, electronic components, photoelectric display, consumer electronics, automotive electronics, automotive connector & harness, new energy lithium battery, Aerospace Military Industry and other related industries or fields. TOPS has become a benchmark enterprise in the "reliability testing field" of 3C consumer electronics, automotive connectors and harnesses, and new energy lithium battery industry.


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Oven/High temperature test chamber


  1. High-low temperature test chamber
  2. High-low temperature and humidity test chamber
  3. Thermal shock test chamber for 3 Temp. zone structure
  4. Oven/High temperature test chamber