Disc Springs (Belleville Washers)
One legal entity, one invoice, five product lines.
Nanjing Sailink Industrial Equipment Co., Ltd. (南京赛联工业设备有限公司) supplies flexible couplings, disc springs, infrared heating lamps and quartz tubes to industrial customers worldwide. Every line is exported under one contract and one invoice — Nanjing Sailink is your single contractual counterparty.
Disc springs in this catalogue follow GB/T 1972.2-2023 and are produced from GB/T 1222 spring steels with full mill certification. We support you from size selection to shipment documents, in English, with WhatsApp-first communication.
Registered details: Unified Social Credit Code 91320191MAKA1A8437 · Legal representative: Huang Xianyuan · Registered capital: RMB 1,000,000 · Founded 2026-07-21 · Nanjing, Jiangsu, China.
Group sites: Precision Couplings · SAILINK Group HQ · Infrared Heating Lamps
Send us the specification you need — dimensions, voltage, operating temperature, quantity. We answer within one working day.