·Calmus Machinery (Shenzhen) Co., Ltd.
·ZHEJIANG BHS JOURNAL BEARING CO.,LTD.
·Aero Mould Co.,ltd
·STEADY INDUSTRIAL FASTENERS CO. LIMITED
·ZHEJIANG JIACHENG NEW MATERIAL CO., LTD.
· Ningbo Davison Machinery Manufacture Co,Ltd
·Zhejiang Huacai Advanced Material Co.,Ltd
·Zhejiang Baide Machinery Manufacture Co., Ltd.
·Zhejiang Meitong Conductor Technology Co.,ltd