Tell me the standard of package? What is your terms of packing?-FAQ-Hunan Haidian Electric Porcelain Electrical Appliances Co., Ltd.-Mainly engaged in the production and operation of high and low voltage insulators, high-voltage electrical appliances, transformers, and power supporting equipment; Electric power engineering construction; Installation, repair, maintenance, and debugging of intelligent distributio n n etwork and high and low voltage complete equipment.