How about credentials for Crystal Magnetic Building Blocks of JinjuyouTechnology?

All products in Hangzhou Jinjuyou Technology Company Limited meet the international standards. Since establishment, we have been focusing on the quality of Crystal Magnetic Building Blocks . The product has already passed related qualifications and certificates and received much recognition from more customers.

For many years, JinjuyouTechnology has been a reliable supplier and manufacturer of magnetic plastic shapes. JinjuyouTechnology is mainly engaged in the business of magnetic building blocks and other product series. MNTL Crystal Magnetic Building Blocks is manufactured by our experts who have been specialized in this field for many years. The product is notable for convenient assembly and disassembly. The product has no memory effect, which means that people do not have to completely discharge it before recharging, as with some other battery chemistries. It can allow children to experiment with gravity and magnetic forces.

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