The company for research and development of the production of special-purpose replacements, são paulo trading co. Ltd. In guangzhou, has been the country's first priority, focusing on automobiles, motor vehicles, auto parts, auto supplies, transport equipment, mechanical equipment, daily department goods, electronics, rubber tyres, chemical products, high-technology enterprises that are commercially integrated. Over the years, special-purpose companies have been able to implement the operational characteristics of formalization, groupization and technologicalization of automobile support services. They have achieved remarkable results. Since the establishment of the special-purpose unit, they have brought together a large number of people after the end of the 60s and 70s, in keeping with the concept of "life in technical-services", and have been able to keep their tyres in liquid condition for the long term, at below 40°c without freezing, 100°c. The product is inject...