Shenzhen Weilin Hi-Tech Co., Ltd. is famous PTC/NTC/PPTC manufacturer in China, have been in this line for over 18 years. Our customers are known as Toshiba Lighting, Panasonic, Philips, Osram, Samsung, LG, Funi, Onida, Media. Our factory have been ISO14001 and ISO9001 Certified, and most products with UL, VDE, CQC certificate. So you can rely on us good quality and competitive price.