... Size: Customized specifications are also accepted.2. Color: yellow, black, white, red, pink, grey, etc.3. Delivery time: ... efficiency, best price.Yantai HuaGen International Investment Co., Ltd. is located in Yantai——"The Stone City of Northern China", which ... has become an all-around trading company with stone mining, producing and trading. The main stone materials are granite, limestone, basalt ...