Take bus 385 →709 →730. According to Baidu map, you need to take bus No.385 → No.709 → No.730 from New Ma Lian to Changping Jewelry Industrial Park. The specific route is as follows:

1. First, walk 340 meters from New Ma Lian Village to New Ma Lian Market Station, get on the bus and take No.385 to Shuikou Industrial Zone Station and get off.

Secondly, walk 440 meters to Shuikou School Station, take bus No.709 and get off at Changping South Station.

3. Finally, take bus No.730 at Changping Cheng Nan Railway Station, get off at Shangkeng Road Station and walk 250 meters to Changping Jewelry Culture Industrial Park.