About SJ Group
SJ Group (HK) Limited (SJ Group) was established in 1987, Hongkong. SJ Group starts from
precision automotive mold building, and step into packaging mold building, medical mold building, liquid
silicone rubber mold building, precision part injection. After 30 years of development, now we have 6
subsidiaries, several oversea after sale office.
SJ Group is a group company integrating with part research, manufacturing, After Sales Service and technical
support. Major business of SJ Group: precision injection molds for automotive, packaging, medical and liquid
silicone rubber.
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1
High Quality Products
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2
High-efficiency Communication
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3
High Precision Equipment
Hot Products
- Automotive Injection Mold
- Plastic Mold Packaging
- Medical Injection Molds
- LSR Injection Molding
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![Injection Molded Plastic Automotive Parts Mold]()
Injection Molded Plastic Automotive Parts Mold
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![Automotive Reflector Mold And metailisation Solution]()
Automotive Reflector Mold And metailisation Solution
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![Customized Solutions for Automotive Industries Manufacturer]()
Customized Solutions for Automotive Industries Manufacturer
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![Vehicle Insert Overmolding]()
Vehicle Insert Overmolding
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![Precision Mold]()
Precision Mold
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![Moldmakers]()
Moldmakers
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![IML Thinwall Injection Moulding]()
IML Thinwall Injection Moulding
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![Plastic Insert Molding]()
Plastic Insert Molding
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![Plastic Molding Manufacturing]()
Plastic Molding Manufacturing
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![Products Made With Injection Moulding]()
Products Made With Injection Moulding
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![Thin Wall Injection Molding]()
Thin Wall Injection Molding
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![Overmolding Injection Molding]()
Overmolding Injection Molding
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![Medical Consumer Injection Moulding]()
Medical Consumer Injection Moulding
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![Medical Insert Molding]()
Medical Insert Molding
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![Medical Silicone Injection Molding]()
Medical Silicone Injection Molding
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![High Precision Plastic Injection Molding]()
High Precision Plastic Injection Molding
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![Tool For Injection]()
Tool For Injection
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![Medical Plastic Molding]()
Medical Plastic Molding
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![Silicone Rubber Mould Liquid]()
Silicone Rubber Mould Liquid
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![Molding Silicone Rubber Parts]()
Molding Silicone Rubber Parts
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![Medical LSR Molding Factory]()
Medical LSR Molding Factory
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![Liquid Silicone Rubber Injection Molding]()
Liquid Silicone Rubber Injection Molding
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![LSR Suction Cup Moulding]()
LSR Suction Cup Moulding
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![Dialyzer Sealing Ring Molding]()
Dialyzer Sealing Ring Molding
Write to us
Send us your question via the contact form, and we will respond to you as soon as we can.
We are ready to help you 24/7
Latest News
![Now Live: SJ Group's High-Precision Two-Color Molding Line.]()
Oct 13, 2025Now Live: SJ Group's High-Precision Two-Color Molding Line.This is no ordinary production line. It represents a specialized two-color injection molding solu...
view more >>![SJ Group Adds Makino V56i: Precision Boost]()
Sep 12, 2025SJ Group Adds Makino V56i: Precision BoostSJ Group commissioned Makino's premium V56i Precision Machining Center at its Shenzhen facility, ...
view more >>![SJ Group Adds YASDA Ultra Precision Equipment]()
Sep 12, 2025SJ Group Adds YASDA Ultra Precision EquipmentThe perfect fusion of nanoscale precision and ultimate stability
view more >>
Location Details
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Email
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Phone
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Telephone
+86-755-29723065
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Address
No.17, Xinfa East Road, Xinqiao Village, Shajing Street, Bao'an District, Shenzhen, Guangdong, 518125 China