Ningbo Daxie Development Zone Tianshan Cylinder Block Co, Ltd. (Pagkatapos nito ay tinukoy bilang "Tianshan Cylinder Block") ay itinatag noong 1992, na may isang rehistradong kapital na 5 milyong yuan, na matatagpuan sa Ningbo, Zhejiang Province, na katabi ng port ng International Transportation Beilun.
Tianshan cylinder block adheres to the technology orientation as the core, sets product research and development and application services in one, and gradually realizes the leap from traditional manufacturing to advanced manufacturing. At present, Tianshan cylinder sleeve covers an area of 24,000 square meters, with advanced machinery and equipment of more than 200 sets, and is a professional KYMCO RACING 250/300 (φ72.7) serye ng high-performance aluminyo cylinder suppliers and KYMCO RACING 250/300 (φ72.7) serye ng high-performance aluminyo cylinder factory. The company has always focused on technology, deep cultivation, forging ahead, strong technical force, advanced manufacturing technology, and continues to scale, with science and technology advancing.
Bilang piniling pinili ng mga customer, ang mga produktong block ng Tianshan Cylinder na may "Advanced na Teknolohiya, Magandang Teknolohiya, Mataas na Kalidad, Buong Iba't-ibang" Kilalang Sa Domestic at Foreign Markets, at ibinebenta sa buong Thecountry, at nai-export sa Timog Silangang Asya at iba pang mga bansa at rehiyon, mayroon na ngayong higit sa 300 iba't ibang mga pagtutukoy ng modelo.
Ang pagpapalawak ng modular: φ72.7mm diameter ng silindro ay angkop para sa 250 (249.1cc) at 300 (276cc) na makina, at maaaring mapalawak sa φ75mm. Sa mga singsing na piston ng DLC o mga sistema ng paggamit ng mataas na daloy at tambutso, ang pag-aalis ay maaaring tumaas sa higit sa 300cc.
