Chong Yang Industrial Co., Ltd. was founded in 1995. We are an experienced and professional fastener manufacturer. Our company has upheld the belief of excellence and good quality and improved customer satisfaction since years ago. Besides, we continuously improve manufacturing process and upgrade the equipment in order to enhance the quality. It is a consistent quality policy of Chong Yang. Our product range: dia.: 5mm-50mm, length: 5-130 mm. We have passed ISO9001:2008 certification and ...