Hauv qab no yog cov ntawv pov thawj uas Xuzhou Wanda Slewing Cwj Pwm Co., Ltd Slewing Cwj Pwm Co., Ltd tau dhau mus, suav nroglub laj kam tso cai, ISO9001: 2015, Daim ntawv pov thawj CCS, SGS daim ntawv pov thawj thiab khoom lag luam thiab lwm yam.