Penglai Shuicheng Cast Basalt Pipe ye Valve Co. Ltd (Penglai Shuicheng Cast Basalt Pipe & Valve Factory) luwawanu mu sadila kisalasala kio kia Liujiagou. Toma zayikusu luwawanu mu sadila kisalasala kio luwawanu mu sadila kisalasala kio luwawanu Luwawanu mu sadila kisalasala kio ye nkubukulu a busampanu ye nkubukulu a nteemo Luwawanu mu sadila kisalasala kio Bifuanisu biampimpita muna tunga bisalasala biampimpita, biampimpita, bisalasala biampimpita, bisalasala biampimpita ye biangolo. Biampimpita muna 1986, bisalasala biampimpita nkatu mu nkubukulu a 260,000, mu nkubukulu andi muna tunga bisalasala biampimpita ye 18,000. Bifuanisu biampimpita muna tunga bisalasala biampimpita muna tungae bisalasala biampimpita ye Afrika, Zimbabwe, Japani, Indiya, Vietnam, Maleziya, Serbia, Alemania, Rusia, Polonia, Germany, Germany, ye Australia Luwawanu mu sadila kisalasala kio luwawanu mu sadila kisalasala kio yambula bifuanisu biampimpita nkatu yambula bifuanisu biampimpita nkatu. Mu Disemba 2010, nkubukulu a busampanu ya Juyuan biampimpita ye basalt biampimpita biampimpita ye nkubukulu a 'Shandong Fa. ntemokono a mbote zankulu muna lukongolo ye luwawanu mu sadila kisalasala kio kia Shandong, yambula bifuanisu biampimpita nkatu. Bikonko bisoneka biampimpita nkatu. Luwawanu mu sadila kisalasala kio luwawanu mu sadila kisalasala kio