To avoid customs issues and ensure consumer safety, products must meet regional standards. For the EU market, ensure materials are REACH compliant, specifically testing for harmful substances like lead, cadmium, and phthalates. For the US market, compliance with California Proposition 65 is often required. Additionally, look for manufacturers with ISO 9001 certification for quality management and BSCI or Sedex audits to ensure ethical labor practices, which is increasingly important for corporate social responsibility (CSR) procurement.