SRC have launched their own line packed of BBs (in 1Kb pags):
Hello, Look at our 1kgs fresh packing BB shots.—-0.20g,0.23g,0.25g,0.28g….
Model no#SRC66-2, SRC70-2, SRC-67-2, SRC71-2 for your choice….
Candy Chen/Sales Dept.
Star Rainbow Co.,Ltd.
Room D2, No.36, Alley 82, Lane 422,
Minzu Rd., Lujhou City,Taipei County 247, Taiwan