Recently, JAC Q7 hazardous chemicals tractors, equipped with Fast12-speed transmission and hydraulic retarder, have been delivered to a major customer in Fujian in batches. In the first batch of deliveries, the customer ordered another 100 sets of Q7 transmissions at the delivery ceremony, based on their confidence in the Fast brand. the customer ordered 100 sets of Q7 transmissions again at the delivery ceremony.

The main business of this customer is the production, processing and transportation of chemical raw materials, and the demand for hazardous chemical vehicles will further increase in the future. The customer said that "The primary consideration for hazardous chemical vehicles is safety, and whether the transmission is reliable and equipped with standard Fast hydraulic retarder is the key factor when they purchasing vehicles".

With the further improvement of users' awareness of transport safety, hydraulic retarder, as the star product of Fast has been favored by a large number of users, has an annual sales volume of over 150,000 units and a stable market share. Fast hydraulic retarder has many practical functions such as constant speed downhill, service braking, ABS coordination, cooling coordination and overtemperature protection; Standard equipped hydraulic retarder can not only greatly improve driving safety, but also effectively improve operational efficiency and bring greater benefits to users.