Luwawanu mu 2009, ye nkubukulu a Suzhou City, China, Suzhou BlackShields Environment Co. Ltd. i luwawanu mu sadila kisalasala kio kisalasala kio « BlackShields » usonamene muna tunga bisalasala biampimpita nkatu, Luwawanu mu sadila kisalasala kio Luwawanu mu sadila kisalasala kio BlackShields ka yifuanisu biampimpita muna tunga bisalasala biampimpita ye lundombe. Luwawanu mu sadila kisalasala kio Bikonko bisoneka biampimpita nkatu « BlackShields » ye nkubukulu a ISO9001 luwawanu mu sadila kisalasala kio luwawanu mu sadila kisalasala kio luwawanu mu sadila kisalasala kio