ktv陪酒小费400能干嘛

Jiyida Since 1991 inception, has introduced advanced technology and high-precision equipment, product quality continues to increase. Leading products for helical gear reducer, spiral bevel gear reducer, aluminum micro cycloid reducer, cycloid reducer, mechanical stepless, worm reducer. Our products testing equipment, gear materials used 20CrMnTi by carburizing, grinding teeth processing accuracy of GB / T10095 standard 5-6 to ensure high strength and low noise products, and by and durability.