The congestion of ports outside China remained. The transshipment rollover ratio at some large ports extended higher as global container supply chain was hard to cope with the “common congestion”. The shipping schedule of liner was greatly delayed due to disordered logistic supply chain and lower ef...

Quarry typology relates to the following three factors:form ,geo-morphological location and excavation method. Form This is about the relationship between the quarry and the surrounding environment, and it imposes heavy influence on the type of machines used, the cost of quarrying, and the pro...

Shandong is a large province of natural stone resources, in terms of its name original “east of the mountain”.  Mountain/hills area covers about 1/4 of the land, is an important stone industry base in China. In Shandong, the natural stone resource is very different from other provinces...

Natural Stone Elephant, Material Blue Stone An Elephant drawing by designer We pre-cut a block with a right size Carving little by little Carefully with our excellent skill keep on Carving in next step A raw Elephant appears, More details to do until finishing One step left to fi...

An Exciting Exhibition Hall 8, Stand F6-3Each year, Profstone exhibits at Verona Marmomacc, in order to promote these typical or newly developed materials and products from Northern China. We are glad to know friends from all over the world, also we are proud to introduce our natural stone to ...

Profstone regards product quality as life and an important competitive advantage. Each year, profstone calls its inspectors, who dispatched in domestic factories, to join the quality inspection training session in head office Yantai.  2019 training session held on Aug 6-7, during the 2 days ...