greatall co., ltd. was founded in 1998. it has been specialized in providing customers with international standards, efficient and energy-saving gas power equipment and full life cycle technical services. on the 20th anniversary of its establishment in 2018, the company has established a two wheel drive development strategy of "equipment service", which extends from the pure high-end energy-saving equipment manufacturing to the field of environmental services, around the theme of energy conservation and environmental protection, to the vision of "advanced technology for improving environmental services"!