Shenzhen Hong Tong Yuan Technology Ltd located in Shenzhen Guangdong, a famous town of oversea, was founded in the early of 2005.Hk subsidiary name is Shi Wei HK Techlogy Ltd. Co. We are professional manufacturer specialized all kinds of testing gauge& meter.We adhere to our business philosophy---client first,forge ahead,to provide our customers continous quality service. Welcome your inquiry about us anytime!

Our products included: Alcohol Tester,digital thermometer,infrared thermometer,optical tachometer, temperature and humidity meter,ultrasonic range finder, PH digital test instrument,TDS water test instrument, blood pressure monitors and other products.After years of painstaking business,we become one of China's largest supplier of instrumentation products.Products cover all regions in our country,and exported to America,Europe, Asia, Middle East and so on.

We have reliable quality with competitive prices. Got more support and high reputation from all our clients.Our objective is to provide you good products in time.We sincerely hope to establish business relationships with you in the near future,on the basis of equality and mutual benefit.