QUALITY MANAGEMENT SYSTEM CERTIFICATE OF CONFORMITY

This is to certify that the Quality Management System of:

Hebei Xingxu Biotechnology Co., Ltd

Registered address: Limace Village, Zangtun Town, Dacheng County, Langfang City, Hebei Province

Sales/Office address: No.108, Limace Village, Zangtun Town, Dacheng County, Langfang City, Hebei Province

Unified Social Credit Code: 91131025MAE4EH4Y2H

has been found to conform to Quality Management System Standard:

GB/T 19001‑2016/ISO 9001:2015

This certificate is valid only to Quality Management system certification related to the following product(s)/service(s):

Sales of dust suppressant, sesbania gum powder, antifreeze, foam extinguishing agent (excluding hazardous chemicals and precursor and explosive chemicals)

Date of initial issuance: Apr.25.2025

Date of this issuance: Apr.25.2025

Certificate validity date: Apr.25.2025 — Apr.24.2028