Yonker ili ku Xuzhou Economic and Technological Development Zone, yomwe ili ndi maziko opangira masikweya mita 40,000.
Ndi malo oyezera ma lab 500㎡, mizere 4 yopangira zanzeru za SMT, malo ochitira misonkhano yopanda fumbi 2500㎡opanda fumbi komanso kukonza nkhungu molunjika komanso luso lapamwamba lopanga jakisoni, Yonker yapanga makina onse opanga makampani.
Takhazikitsa miyezo yabwino kwambiri yowongolera ndi kuyang'anira zinthu, ziphaso zomwe tili nazo: CFDA, CE, US FDA, ANVISN, TUV ISO13485, CMD ISO9001 & ISO13485, ndi zina. Total Quality Management imayendetsedwa panthawi yopanga. Njira yowunikira zinthu imakhudza IQC, IPQC, OQC ndi FQC. Ntchito zokhazikika monga 6S Field Management, MES ndi QCC zimatsimikizira kuti zinthu za Yonker zitha kukwaniritsa makasitomala.
