... centers, etc. They are the ideal choice for locations where connection to the electrical grid is difficult, unavailable and unreliable. Specification ... enquiry within 24hous. 2. Well-trained and experienced staffs to answer all your enquires in fluent English.3. OEM&ODM ... . Payment: T/T , 30% deposits before production, 70% balance to be paid before shipment. 2. Production lead time :20days upon ...