Wholesale stainless steel or carbon steel support posts, PC board posts: SSC-4MM-L, SSS-4MM-L, SSC-156-L, SSS-156-L, and other specifications. Shenzhen Hengbo Precision Hardware Products Co., Ltd. specializes in the production and sale of American PEM and Southco standard press-fit screws and various products. We have a large inventory of commonly used parts. Welcome your new and old customers' drawings for customization. Look forward to establishing a good mutual trust and reciprocal business partnership.