Business Project

Business Project

Our company mainly produces pin gauges, 

go/no-go plug gauges and ring gauges made 

of superhard materials such as tungsten carbide, ceramics, and steel.

Quality Assurance

Quality Assurance

Passed ISO 9001-2015 quality system certification. and a multi-level supervision system is checked at all levels.

Engaged in professional manufacturing of gauges for 20 years, with a senior technical team that possesses strong technical expertise.

Complete self-inspection in the manufacturing process and laboratory-level product inspection and qulity control to ensure the quality of our products.

Professional advice on the use of pin gauges. and develop targeted implementation plans.



April 2000 – RTP (Rich Treasure Precision Industrial Co., Ltd.) was established in Dalang Town, Dongguan City, Guangdong Province, China

April 2001 – Added precision grinding equipment and inspection instruments to produce various precision parts and gauges.

August 2003 – Business expanded and moved to its current location.

March 2004 – Set up a branch office in Kunshan City, Jiangsu Province, China.

April 2004 – Certified by German TUV ISO9001:2000 quality system.

  October 2005 – Kunshan branch office was renamed“Rich Treasure Precision Industrial Co., Ltd.”and moved to its current location to expand business.

November 2007 – Purchased additional CNC profile grinding machine from Japan and CNC wire-cut (EDM) machine from Switzerland.

July 2011 – Added another CNC optical projection grinder. 

November 2014 – Certified by the updated version of British SGS ISO9001:2008 quality system.

November 2017 – Certified by the updated version of British SGS ISO9001:2015 quality system.

June 2020-Purchased Rollomatic 5-axis CNC 3-axis robot high-precision cylindrical grinding machine from Switzerland.

Enterprise Superiority

Enterprise Superiority

20 years brand

Founded in 2002, specializing in the manufacture of gauges.

Quality first

Professional manufacturing of high-precision gauges. so that customers have no worries in the measurement and calibration work.

Prompt delivery
We welcome small and diverse 
orders, and offer quick delivery
 for customized products.

Fair price
Both quality and service are taken into consideration to ensure that the products are reasonably cost-effective.