Company General
Founded in 1993
Shanghai Office
US Sales Representatives
Japan Sales Representative
We specialize in supplying custom manufactured parts:
Tianjin Headquarter
Castings, Machined Parts, Screw Machined Parts
Stampings, Forgings
Plastic Molded Parts, Rubber Molded Parts
PCBs, Magnets, Assemblies, etc.
Company History
Sinoquest has been endeavoring with sourcing
and supplying various parts from carefully
selected China quality factories for US and
European OEM companies since 1989, and
accumulated professional technical and
quality experiences and skills for over 20 years.
What We Do
We accept samples, drawings, specifications and any concepts
available to design and manufacture.
Our engineers immediately analyze the given specifications and select
the best capable and suitable factory from factories all over China.
We offer the best prices, sample lead time and production lead
time, along with necessary documentations such as PPAP: Flow
Chart, Control Plan, FMEA at your request.
When necessary, our local agents in your country can solve problems
on site in time if there are any urgent issues.
During production, our engineers conduct on site quality control at
every process point start from incoming materials per ISO9001
standard. And apply necessary Cpk control on critical dimensions
when needed.
We deliver products via ocean, air, and express shipping method to
your nearest port, and can deliver right to your receiving dock at your
request.