Last Updated: March 20, 2026

Thank you for shopping with KJFISTMU. Below is our official contact and business address information for customer inquiries, business cooperation, and official communication.

Customer Support Contact

Email: KJFISTMU@gmail.com

WhatsApp: +1 (332) 242-9028

Support available: 7 days a week, US Eastern Time

Business & Manufacturing Address (Headquarters Factory)

Address: No.56, Nanyuan Road, Shenhu Town, Jinjiang City, Fujian Province, China

Our brand operational and manufacturing facility is located in Jinjiang, Fujian, China, specializing in the design, development and production of high-quality men’s underwear. All local US orders are fulfilled and shipped from our local US warehouses, ensuring fast and reliable domestic delivery for United States customers.

US Local Fulfillment Warehouses

US West Coast Warehouse

Contact: EPKG

Phone: +1 (626) 771-7818

Address: 337 N Baldwin Park Blvd, City of Industry, CA 91746, United States

US East Coast Warehouse

Contact: Leon

Phone: +1 (347) 721-5717

Address: 7940 Rutillio Ct, Ste 1, New Port Richey, FL 34653, United States

All consumer orders placed on our official website are shipped directly from our US local warehouses. The China factory address is only used for brand operation, product R&D and mass production, not for customer order delivery.