Chia Chen Co., Ltd, founded in 1999, specializes in manufacturing self-drilling screws, self-tapping screws, woods screws, stainless steel screws, customize screws and especially in motorbike screws and automotive screws. We can make various products from M2 – M14 and length size up to 324mm with materials such as iron, copper, steel. Our main customers are Honda, Piaggo, Yamaha, Suzuki, SYM, etc.Chia Chen Co., Ltd, founded in 1999, specializes in manufacturing self-drilling screws, self-tapping screws, woods screws, stainless steel screws, customize screws and especially in motorbike screws and automotive screws. We can make various products from M2 – M14 and length size up to 324mm with materials such as iron, copper, steel. Our main customers are Honda, Piaggo, Yamaha, Suzuki, SYM, etc.