
GB/T 12777-2019 Semi-Finished Corrugated Bellows. CE and ISO Certified: Complies with CE, ISO14001, JIS, and ISO9001 standards for quality assurance. Stainless Steel Material: Constructed from durable stainless steel with galvanized surface treatment. Flange Connection: Features round head code with flange connection for secure installation. 12 Months Warranty: Includes a comprehensive 12-month warranty period for peace of mind. 100% Inspection: Every finished product undergoes 100% visual inspection before packing. OEM Service Available: Supports OEM services with customization from samples or designs. Fast Lead Time: Average lead time within 15 workdays or one month depending on season. Flexible Payment Terms: Accepts LC, T/T, D/P, PayPal, Western Union, and small-amount payments.