how to do billing for multiple line items

Dear Experts,

Please provide some inputs for below mentioned query.

Company (A) sent M1-Heavy metal to the customer (B) with a quantity of 1000kgs

Then customer done the weight confirmation &segregation of the materials, which he received from company A(Single delivery with single material-1000kgs )

.

like below:

M1-Heavy metal-900Kg

M2-Light size metal-50Kg

M3-Trash-50Kg

Based on the customer confirmation needs to bill the customer.

How to create a billing with  M1-900, M2-50kg, and M3-50kg materials with delivery of single item M1-1000kg

I

Thanks,

Krishna Kumar.