Roller cone will always adhere to the "customer needs, we think, excellent quality, service-oriented," the new concept of Dongguan Wantong roller cone, complete product, is the only factor we seize market trends; reliable quality, We win the trust of customers is an important guarantee; good service roller cone, we win the market, look to the future of pride. To provide customers with quality and reliable precision machinery is always our goal. We sincerely welcome customers to call or come to discuss cooperation. Warmly welcome friends to visit, study, business negotiations. Roller cone Wantong rolling round metal mold factory personnel and operating by the middle (commonly known as the middle backer) is the key: In theory, the outside diameter of the thread rolling dies tangent to the outer diameter of the product, that wheel, guide wheel, product to the center on a straight line. In essence, the cable slightly downwards position. (1) the center is slightly higher, run roller cone products at the wholesale, not the normal thread rolling. (2) the low center, suffered extrusion pressure will be compromised, low pressure will affect the quality of Rolling thread. MassMutual roller cone, MassMutual rolling wheels (certified), roller cone provided by the Dongguan City Hengli Huai Hardware electronic processing. Dongguan Heng Li Huai Hardware electronic processing (www.wantong988.jqw.com) is Dongguan, metal molds leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Wantong rolling round in leadership with the staff warmly welcome all inquiries negotiations to create Wantong rolling round a better future.