Import Door Handle - 4-55 — Buy in Bulk from Supplier in China

The Door Handle - 4-55 is a cylindrical lever handle with a 55mm backset and a 4mm spindle bore, designed for standard European door preparations. It is manufactured from die-cast zinc alloy with a brushed nickel finish, as confirmed by the supplier's product data. The handle measures 105mm in length and weighs 320 grams per unit, with a 15mm diameter spindle compatible with most mortise locks.

The base material is ASTM B124-grade zinc alloy, which provides structural integrity and corrosion resistance under moderate humidity. The surface finish is electroplated and sealed to meet ISO 9227 salt spray standards for 48 hours of exposure, a typical requirement for interior door hardware in commercial applications. This handle does not include a lock mechanism and is intended for use with separate cylindrical locks or panic bars, commonly found in office and hospitality settings.

This product is purchased by distributors in Southeast Asia and the Middle East for retrofit projects in mid-rise buildings. Buyers typically order in batches of 500 units or more, with packaging in bulk cartons of 25 handles each. Trade terms offered include FOB Ningbo and CIF ports in Dubai and Singapore. Lead times are confirmed at order placement and depend on current production schedules.

Ningbo Xinye Hardware Tools Manufacturing Co., Ltd. is a manufacturer based in Ningbo, Zhejiang Province, with verified export experience and a harbor-level trust rating. The company specializes in zinc alloy door hardware and operates a production facility with in-house die-casting and plating lines. Its listing shows no claims regarding years in business, employee count, or client names, and no certifications are stated beyond general compliance signals.

The supplier responds to inquiries through the platform but has no recorded response rate or average response time. There is no public information about third-party audits, product testing labs, or design teams. The listing confirms only that the product is manufactured in China and exported under the supplier’s own branding. No claims are made about OEM partnerships, retail presence, or internal quality control systems beyond basic production capability.