Dear Sirs

i receive Purchase order as below (from refinery construction projects)

1) Dead weight for Bagging system (check weigher in EMDE Big-Bag) = 50KG pieces * 20 ea = 1000KG (1 set)

2)Dead weight for Big bag system (dynamic weigher in the FFS) = 2eax5kg + 2ea x 10 kg . Or 6ea x 5kg = 30KG (1 set)

but i don't know what are they. Requester don't give any information. So please help me how to purchase* what certificate * or who can be supplier. This is very urgent.