... non-standard special bearings, etc. Pulley type: window and door pulleys, shower pulleys, etc. Machining & Molding Customized Pulleys ... are free provided16.Comprehensive after-sales service Products name door sliding rollerBrand namecustomised to the customer's brandCage ... Our company is a professional manufacturer of bearings,window & door handles, hinges, etc.If you have special needs, ...