In order to improve TR-BERHAD overseas dealer’s and customer’s service ability, standardize the maintaining process, TR-BERHAD service personnel made a visit to Papua New Guinea customers. As more TR-BERHAD products entered the market, the demand for after-sales service is increasing. During the visit, TR-BERHAD service personnel carefully gave improvement suggestions according to the customer ‘s special construction conditions, and put forward professional guidance for the operation method, which had been highly appreciated by users.