Spring manufacturing; spring sales; general parts manufacturing; mechanical parts and parts sales; vibration reduction and noise reduction equipment manufacturing; vibration reduction and noise reduction equipment sales; metal structure manufacturing; metal structure sales; metal chain and other metal product manufacturing; metal chain and other metal product sales; hardware product manufacturing; hardware product retail; rubber product manufacturing ; Rubber product sales; Plastic product manufacturing; Plastic product sales; Special equipment manufacturing (excluding licensed professional equipment manufacturing); Mechanical equipment sales; Hydraulic power machinery and component manufacturing; Hydraulic power machinery and component sales; Motorcycle parts manufacturing; Motorcycle and spare parts retail; Auto parts and accessories manufacturing; Auto parts retail