Ningbo Superior Metalware Mfg. Co., Ltd. resides in Panhuo Industrial Zone, Ningbo city, China. We specialize in manufacture of a wide range of ball mounts and hitch balls for trailer. Our welding Robot comes from Panasonic, Japan, the automatic welder performing at a level higher than domestic machine and making the welding job so nice in look, and our ball mounts have passed the test under the standard of SAE J684 and V-5. We also have different punching machines and cutting machines for making standard components, non-standard components, punch and weld parts. Under guidance of business principle: credit Essential, working for perfection, we are dedicated to supplying clients with the sincere services.