Shandong Bittersweet Marketing Co., Ltd.

Shandong Bittersweet Marketing Co., Ltd, located in Qingdao,
established in 2005, is specialized in supplying OEM casting

products. We export a wide range of products but our main business
is gratings, cover & frame, valves. We have been exporting to
some famous clients in Europe market for many years.



Our foundry, taking an area of 5300 square meters with 650
employees including 50 technicians, owns two ZZ416B vertical
parting flaskless shoot-squeeze moulding machines,resin sand
production line, shell core machine,five shot blasting machine,

immersive air/oven dry painting line and spray line. The main test
equipment include: chemical analysis laboratory, optical
spectrometer, metallographic microscope, universal physical testing
machine, Brinell hardness tester and pressure test machine.



Besides the 50 technicians from our foundry we have a professional
and experienced engineer team in addition, who works in this area
for many years and would always double check the qu... [Details]