Description of boron carbide bullet proof pieces:We are from Shanghai You Zi Wan Import. & Export Co. Ltd. , which is a professional producer and supplier of boron carbide products and distributor of mechanical seals and pneumatic parts. We produce and export all shapes of boron carbide bullet-proof pieces according to drawings supplied by the buyers. With advantages of high quality and reasonable prices , our products have set foot on more than 20 countries and regions of Noth America, Europe and South-East Asia where they enjoy great customer satisfaction.
