... , up to 10000 times of insertion and withdrawal. Import engineering plastic. Flame-retardant, high temperature resistant, shake-proof and fall-proof ... , up to 10000 times of insertion and withdrawal. Import engineering plastic. Flame-retardant, high temperature resistant, shake-proof and fall-proof ... /VDE/CQC/UL and CUL certifications. 3-year warranty. white good plastic socket