Shandong Besco Group is a large scale manufacturer of tungsten products and chemical products in China, located in Dongying city, Shandong province, China. Advanced testing skill, highly-leveled scientific research, excellent sales team and professional manufacturing equipment are our biggest competitive advantages which make us rank in the lead among the increasingly competition market There are more than 800 technical workers now in Shandong Besco Group., among whom 523 people have got ...