Verifying the authenticity of parts from a mobile spare parts online store requires scrutiny. Check for official certifications and partnerships with manufacturers. Reputable suppliers like Kajoni Power often provide detailed product descriptions and specifications. Compare prices with other wholesale mobile phone parts dealers; low prices may indicate counterfeit goods. Examine product images closely for quality and branding. Kajoni Power and similar trusted vendors typically offer warranties on their products. Research the store's reputation through customer reviews and ratings. Look for unique identifiers or serial numbers on parts. Consider requesting sample products before bulk purchases. Verify the store's return policy and after-sales support. By following these steps, buyers can ensure they receive genuine parts from mobile spare parts online stores in Delhi's competitive market.