Since the family has opened a business in auto parts and auto repair for more than 40 years before 1991, managed within the family with Ms. Thip Nanthip as the business manager. Registered the company in 2019 in the name of Ms. Piyanan Nanthip, the owner of the business, which the auto repair shop automatically uses the name. And changed the name to Chatchanan Service in 2024, which is the first heir of the family. The first daughter of Mr. Chainarong Nanthip, 2024, the business has registered for electronic trade to trade with the government sector
The business is a wholesale and retail business related to auto parts, construction, agriculture, and also provides services related to soil drilling, tractor transportation, house construction design, cowboy fence construction, sports clothing design, and the organization of provincial enduro competitions.