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   Hebei yuda Unitedry CO., LTD., Wopanga wamkulu wa China Kuyambira 1992.

Zakwaniritsidwa ISO 9001: 2008 Kuwongolera Kwapadera, komanso kukwaniritsa UK Kumasamalira Certification ya BS ENA 9001

Kuchita bwino ndi ntchito zambiri zofunikira komanso zadziko, monga Pakistan Kiclear Momera chomera, Hk-Macahai Kutalika Kwambiri