Xin Bao Instrument Co.,Ltd with owner brand of Overall Testing Systems (OTS) has been dedicating in providing professional testing equipment with top quality since its establishment in 1978. Since the establishment of the company we committed to research and development then create a reliable application value in line with international norms.

With the high quality advantage, dynamic management team and superb manufacturing process, creative research and development ideas, and the support of nation policy, Xin Bao is on the way to be an international brand.

Strong R&D Team

Over 35 years of researching and developing environmental and physical testing machine experience to meet solve your problem. R & D personnel accounted for 10% of the total number of employees. We produce high quality products with the lean and powerful manufacturing capacity, and professional team


The perfect first-class service team provide you a professional advisory advice, purchase experience and wonderful after-sales service. To provide customers with nanny-style service, completely solve the customer's worries.


Has a number of national technology patents to improve the quality of our productions and provide you better use experience.

show room

With our own factories, brands and production lines, we can offer products without brokers. Meanwhile, we provide various use of test machines with high quality and friendly price.