Mectron Engineering Co., Inc.Michigan, United States
Howmet Aerospace, Inc.Pennsylvania, United States
Haiyan Jiansheng Hardware Products Co., Ltd.Zhejiang Sheng, China
Tung Ling Industrial Co. Ltd.China
HKN International LLCIndiana, United States
Anchor Fasteners Industrial Co., Ltd.Taiwan Province, China
Innovation Plus LLCPennsylvania, United States
Zhejiang Tiantai Xianghe Industrial Co., Ltd.
Shamrock International Fastener LLCIllinois, United States
Samjin Steel Industry Co., Ltd.South Korea
SFS Intec SASFrance
Hunan Finework New Energy Technology Co. Ltd.