Hoʻokumu ʻia i ka makahiki 1980 mua, he mea hana ʻoihana ia o nā mufflers kaʻa.Aia ma mua o 800 mau limahana, e uhi ana i kahi ʻoi aku ma mua o 200 mau ʻeka, me nā waiwai paʻa o 300 miliona yuan e like me nā hale hana a me nā mea hana mechanical.ʻO ka mana hana makahiki o nā huahana muffler a hiki i 3.5 miliona mau ʻāpana, helu ʻia no 30% o ka mākeke OEM kaʻa kaʻa home, ka pae mua ma Kina.ʻO kahi mua i ka hana ʻana i nā huahana muffler kaʻa.