hat
Kovèti pou bag 2.rotary se gwo, dyamèt roulo se 760mm, sifas dan apre asouvisman, chrome ak lòt teknoloji pòs-pwosesis, segondè fòs, pa tendans fenomèn dan.
eng
2.rotary ring gear is big, roller diameter is 760mm, tooth surface after quenching, chrome and other post-processing technology, high strength, not prone to tooth phenomenon.