News

SJ Group will Present Injection Mold & Molding Solution at FAKUMA

SJ Group was established in 1987, headquartered in Shenzhen, China. We provide one-stop solution from product design, mold building, injection molding, post processing to assembly. The business cov...

Celebrate The 18th Anniversary Of SJ Group（injection Mold Shop）

Comb Eighteen Years Wind and Rain, Fruitful Achievements Cast Brilliance | Singing Com-petition to Celebrate the 18th Anniversary of SJ Group

SJ's Colorful Activities - The 7th Basketball Competitive-SJ Cup

Since its establishment, SJ has paid great attention to the interests and hobbies of employees. We have many activities every month like birthday party, team building, training, the atmosphere is ...

The Ceremony Of The First English Class in Mold Plant-SJ Group

SJ Group is the injection mold/tool company, he set the English learning class for the people who want to improve their own English. At the earlier stage, they are shy to express in the stage, but ...

Women's Day

Every year, China celebrates International Women's Day on March 8. On this day, many Chinese men buy presents for their mothers, wives, and even daughters. Do you know what happened at SJ Group...

SJ Group Ready For Another New Large Size Mold Shop

SJ Group set up a new tool shop building, factory area expanded from 16,000 m2 to 25,000 m2 The setting of new tool shop enlarged our capacity in large tools. Mainly focus on the large size m...

SJ Group Ready For Another New Large Size Mold Shop

SJ Group set up a new tool shop building, factory area expanded from 16,000 m2 to 25,000 m2 The setting of new tool shop enlarged our capacity in large tools. Mainly focus on the large size molds...

Injection Mold-SJ Group Held The Unveiling Ceremony Of Model Worker And Craft...

Please review the website if any interest in the injection mold/tool/paroduct/part. www.sjplasticworld.com

Year-End Party

Annual Event

What Are The Influencing Factors Of Injection Molding Shrinkage?

Different resin materials have different shrinkage rates. Even if the same type of resin material is produced by different manufacturers

The Development Status Of Domestic Automobile Molds

Since the reform and opening up, with the rapid development of the national economy, the market demand for molds has continued to increase.

Basic Information Of Plastic Injection Molding

Mold clamping, injection, pressure keeping, cooling, mold opening, and product removal.