... .more than 1800 kinds 4.semi-metallic 5.Semi-metallic car brake pad for BMW D639 1. Brake pad D639 informaton ... ( no heavy metals, asbestos and other harmful substances ).2).Competitive price and quality assurance: 30,000 kms guarentee3). Longer service with ... . Our annul output s about 4,000,000 sets for car and 1,000,000 sets for heavy vehicle or engineering ...