The transmission is a set of gears for coordinating the speed of the engine and the actual travel speed of the wheels for optimum engine performance.

It can produce different gear ratios between the engine and the wheels while the car is in motion.

CHONGQING CITY NAVIGATION TRADE CO.,Ltd -established in 2009, which is a national and professional high-tech enterprises. -located at the southwest of China. -Our factory is affiliated to Chinese military industrial enterprise(CSGC),with support of local government and always guarantee the best quality and price. -Ship to all over the world -Better price and low MOQ Our main products: -Transmission Gear box Assembly & Parts -Differential Assembly & Parts -Engine Assembly & Parts Being authorized agent of China South Industries Group Corporation (Abbreviation as CSGC), quality and precision is ensured as the defence equipments this military industry enterprise made. As the affiliated company of Chongqing Shanqing Machinery Manufacturing Co.,Ltd, the direct auto parts supplier of CHANGAN, we are able to offer our customer with better price and low MOQ.

Q1: Are you trading company or manufacturer ? A1: We are trading company with factory. Q2: How long is your delivery time? A2: It's about 5 to 7 days for the goods have in stock, 2-week to 1-month for the goods need to be manufactured based on your order. Q3:Can we buy 1 pc of each item for quality testing? A3: Yes, we are glad to accept trial order for quality testing. Q4: What is your terms of payment ? A4: We accept T/T, Paypal, Western union and so on. Q5: What's your warranty ? A5: we have 1 year quality guarantee for our spare parts. Q6: What's your MOQ ? A6: 1piece.