Direct Manufacturer of Spring Plunger, Spring Screw, Hand-Tightened Spring Plug: 56-10-301-20, 56-10-401-20, 56-99-196-20, 56-99-197-20, and other specifications. Shenzhen Hengbo Precision Hardware Products Co., Ltd. specializes in the production and sales of PEM and Southco standard press-fit screws and various products.
































