Who we are

The head office of QJ was originally established in Taiwan in 1970(SHUEN RONG SHING ENTERPRISE Co., LTD ), In 1998 began to set up branches factory in mainland, up to now, we have two injection molding factories and a mold manufacturing factory .Over the past 48 years, It has become the top supplier in mold manufacturing and injection molding filed.

Entrepreneurship: the efficiency of brand success, integrity cast the future. 

QJ is good at providing one-stop service from initial product research and development to manufacture mass production products. and providing a full aspects of injection mold solutions . this includes the structural design of injection molding components . mold design. Mold manufacturing ,injection molding and secondary processing . To form the unique mode of operation , we are actively involved the product design and development of customer in the early stage。
QJ has established diversified customer groups from various industries, including automobile parts industry , home appliances . medical treatment . communication equipment etc.
We have comprehensive and close cooperation with domestic and international famous brand enterprises. thereout, our team integrated senior technical staff and a strong implementation team.

About 3E

Company history

QJ started from a small injection molding factory to grow in strength after nearly 50 years’ history, won the praise and trust from many customers by its rich experience in mold manufacturing and advanced precision equipment.

In 1970

SRX was established in Taiwan

CNC machining

In 1998

established Dongguan SRX plastic hardware factory in mainland

CNC machining

In 2006

established QJ industrial co., LTD due to scaled up ( factory one)

CNC machining

In 2011

established QJ industrial co., LTD due to scaled up ( factory two)

CNC machining

In 2016

passed ISO TS16949:2009 certification & DUNS REGISTED certification and introduced GF full-automatic machining production line

Our Certificate


ISO/TS 16949认证




ISO 9001:2015


ISO 14001:2015