Ningbo Zhenhai Yufan Motor(BeiFan Rotation Shaft)are professional manufacturer of kinds automatic door operators and accessory parts. Our products are widely used in office buildings, hotels, restaurants, banks supermarkets all over the world.Our ...

Tianjin Jinggong International Co.,Ltd. is a high-tech enterprise integrating product design, production, sales and technical service. Our company mainly engaged in produce Oil Country Tubular Goods (OCTG) oil filed has staff of 106 people including more ...