Qingdao Sincere Machinery Co., Ltd Company Profile

Qingdao Sincere Machinery Co., Ltd. is located in the beautiful coastal city Qingdao of Shandong Province, Qingdao airport and Qingdao/Jiaozhou railway station provide convenient transportation.

Our company is a plastic machinery research and development, design and manufacturing, production and operation and technical services as one of the high-tech enterprises. The area of construction is 12000M2, we have one office building and three workshops.

We have certification CE, SGS, ISO, EAC and so on.

Our main products are: Plastic extruders, PE/PP spiral winding pipe extrusion lines, profiled structural wall HDPE pipe extrusion line, ribbed/steel reinforced spiral DWC corrugated pipe machine, water tank machine, plastic welding threading weldingmachine, HDPE/PPR/PVC/pert composite water pipe extrusion line, HDPE mbbr biomedia extruder machine, plastic HDPE/PP/ABS/pet/PVC sheet/board/panel extruding equipment, plastic PVC/PE/ABS profile/panel equipment, plastic recycling pelletizer granulation line, shredder/crushers and other auxiliary equipments for plastics.

Varieties of new products sold domestic and exported to Russia, Southeast Asia, the Middle East, Africa and many other countries and regions.

HDPE Spiral winding pipe extrusion line.

HDPE Weholite/Culvert pipe extruding machine.

KWH pipe machine. Krah pipe extrusion line.

HDPE sewage pipe extruder machine.

Double wall corrugated HDPE pipe extrusion lines.

Water tank extrusion production line.

DN200-DN4000mm HDPE pipe manufacturing machinery.

Triple layers HDPE water supply pipe machine.

HDPE/PP/PPR/PERT/PVC Water supply and drainage pipe extrusion line.

MBBR Biomedia production extruder machine.

Plasitc scrap granulator pelletizing line

PVC/ABS/PE/PP profile/panel making machine.

HDPE/PP/ABS/PMMAThick sheet/board production line.

PE/PP/PET/PS/PC/PMMA/PLA sheet/panel produciton machine.

Welcome to visit our factory and looking forward to win-win cooperation.

We can specify equipment production plans according to various needs of customers, from equipment production, commissioning, installation, after-sales one-stop service.

Our Main Business:

HDPE Spiral Winding Pipe Extrusion Line,Structural Wall Spiral Pipe Production Lines,PE/PP Water Tank Production Machine,PE/PPR/PP/Pert/PVC Water Pipe Production Line,PE/PP/PVDF/ABS Sheet/Plate/Board Machine,PE PP PVC Recycling Pelletizing Line,Plastic Pipe Threading Welding Machine,Spiral Corrugated Pipe Extrusion Machine,Plastic Mbbr Biomedia Manufacturing Machine,PE PVC WPC Decoration Profile Extrusion Line

Qingdao Kefengyuan Plastic Machinery Co., Ltd. was established in 2005.
In 2010, the annual sales reached RMB 15 million.
In 2015, the subsidiary Qingdao Sincere Machinery Co., Ltd. was established.
In 2020, the company's domestic and foreign market trade volume reached RMB 20 million.
In 2025, the two companies merged into Qingdao Sincere Machinery Co., Ltd.