Shanghai Chengyouhe Auto Fasteners Co., Ltd. is a fastener manufacturer & exporter. located in Shanghai Pudong. We have a strong technical. research and development team with qualified engineers working on product analysis and improvement, technical process optimization and quality control. We work with our customers on product design, improvement, coating, etc. We provide both bulk and small box packing as per our customer requirements. The rest is in skin pack, clamp pack, plastic bucket, assortment kits or steel cases, normally for DIY use. Pallets are made of thick natural wood, dried, fumigated and wrapped in plastic film for sea transportation. Euro pallets are available. With more than 25 years experience in fastener manufacturing and export, we provides our customers with?consistent quality products, competitive pricing, superior service, and full support in times of need.