limestone in China

开元溶洞位于源泉镇东高村马兰峪,发育于下古生代奥陶纪白云质岩,距今40万年,是典型的岩常溶洞穴,全长1100余米.洞内各种石钟乳等自然景物形象逼真,玲珑剔透,神仙境界,令人目不暇接.

As a brand-famous stone manufacturer,hangmao stone was established in 1998,offers stone slabs like granite,marble,sandstone,travertine,basalt,limestone as well stone-made products including wash …