- D. Mentor Co., Ltd.
- Toy Block, Educational Block, Construction Block, Building Block.
- Address:16F-3, No. 366, Boai 2nd Road, Tsoying
- Strong Niche Enterprise Co., Ltd.
- Injection molds,Die Cast molds,toy building block,Specialty construction toy bricks,toy building block,tooling.
- Address:No. 49, Yui-Ho Street
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