Dolang, established in 1998, has specialized in vocational training for 24 years. After 24 years of hard work, Dolang became one of the world’s most famous vocational training equipment manufacturers. Its vocational training kits are sold in over 70 countries and regions and receive users’ recognition. Dolang has more than 300 workers, including 70 engineers, which indicates that 23% are engaged in research and development. Enough technicians making Dolang have constantly updated its vocational training equipment to meet customers’ needs. Dolang can provide equipment and a systematic vocational training classroom, which can give customers’ an available place for teaching and learning from wiring to coming into service.