Expect to pay 30-70% of unit cost for fully customized prototypes, while standard configurations may have lower fees. Sample lead times average 15-30 days. Can I visit the factory before ordering? Most manufacturers encourage facility inspections. Get samples of $ !US$ 1/Piece Company Info. Shandong Harbor Electric Power Engineering Co. is a high-tech enterprise focused on the field of power transmission, distribution, and control systems, integrating research and development, production, sales, and service. The enclosure meets IP65 /IP55protection standards, providing dustproof and waterproof capabilities to ensure the secure and. Machan offers comprehensive solutions for the manufacture of energy storage enclosures. Our state-of-the-art Outdoor Energy Storage Cabinet is a fully integrated, turnkey solution designed to meet the demanding energy needs of commercial, industrial, and utility-scale applications.