Inquiry about Hydraulic Patch Hinge for Frameless Glass Doors

I am looking for a high-quality hydraulic patch hinge for frameless glass doors. We are a company specializing in interior glass installations in Europe and seek a long-term supplier. Please provide specifications including material (SS304 or SS316), maximum door weight, maximum door width, glass thickness compatibility (8mm, 10mm, 12mm), adjustable hydraulic system, soft closing function, cycle test (500,000 cycles), salt spray test, and available finishes (satin, mirror, black, gold). Also, share price per piece, MOQ, prices for 100, 300, and 500 pieces, and spare parts availability. If quality is good, we are interested in long-term cooperation as we sell glass hardware in Europe.