General locks are not well-known in the domestic market, and their business is mainly export-oriented, but the product strength should not be underestimated. In 2003, the general lock was awarded the title of "bicycle lock research and development center" by the productivity promotion center of the Ministry of science and technology, and in 2004, the general lock research and development center won the national spark plan certificate, its two scientific research achievements filled the domestic gap, reached the advanced level of similar products in the world, and was authorized by the China Daily Hardware Standardization Center as the drafting and revision unit of the national industry standard "bicycle lock standard", which declared 91 national patents and 62 patent certificates.
 
TY328 and TY329 are the only two U-locks from GM that have passed the ATR test, and both have been certified with the highest security level, and the quality is safe and reliable, but the industrial design is relatively inferior. General locks have been focusing on export sales in the past, the domestic market belongs to the company's development strategy of the secondary goals, but in 2013 general locks made a strategic adjustment, the official website said that its business focus will focus on export, gradually turn back to the domestic market, which is undoubtedly good news for domestic consumers. Unfortunately, up to now, General Locks has not yet opened an official authorized store for domestic e-commerce, and consumers need to go to an authorized physical counter to purchase.