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 Mercury 90 (φ89) Magaan at Matibay na Outboard Engine Cylinder Series suppliers and Mercury 90 (φ89) Magaan at Matibay na Outboard Engine Cylinder Series 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 kaukulang modelo ng mercury 90hp outboard ay 90EL/XL PT 4S SP, apat na-stroke na gasolina engine, cylinder diameter φ89mm (ilang aktwal na mga modelo ay minarkahan bilang φ90mm, maaaring may mga pagkakaiba sa parameter), stroke 81mm, pag-aalis ng 2 litro, na-rate ang lakas ng 90 lakas-kabayo, maximum na bilis ng 5000-6000R/min na naaangkop sa mercury 90 lakas-kabayo na horsyoboard, maximum na $.
