
Guangdong LJ Polymer is a specialty nylon R&D and manufacturing company focused on high-temperature nylons led by PPA (polyphthalamide). It has in-house mastery of the synthesis and compounding of semi-aromatic polyamides such as PA10T / PA10I, with a melting point around 306-316°C. The products offer high heat resistance, high rigidity, chemical resistance, low moisture absorption and dimensional stability, and can replace imported high-temperature nylons. They are widely used in automotive thermal management, electronic connectors...
Guangdong LJ Polymer is a specialty nylon R&D and manufacturing company focused on high-temperature nylons led by PPA (polyphthalamide). It has in-house mastery of the synthesis and compounding of semi-aromatic polyamides such as PA10T / PA10I, with a melting point around 306-316°C. The products offer high heat resistance, high rigidity, chemical resistance, low moisture absorption and dimensional stability, and can replace imported high-temperature nylons. They are widely used in automotive thermal management, electronic connectors and SMT components. LOONGJAY (Shenzhen) is its authorized distributor for PA10T and high-temperature nylons (including PPA), distributor No. LONGJIE211201, providing factory-sealed, authentic and traceable materials. After-sales and technical support are handled by Guangdong LJ Polymer, forming a collaborative system of 'principal R&D and manufacturing + trading company global channels and local delivery'.


