A company from China needs to buy rapeseed oil

We want to buy rapeseed oil on the following terms:
Quantity Required:
Initially 1 x 20 Feet container, this quantity will increase if the price is right to a minimum of at least 100+++ MT per week.
Packaging Terms ​  : Container
Shipping Terms ​  ​  ​ : CIF to U.K
Destination Port ​  ​ : Liverpool or Hull, UK
Payment terms ​  ​  ​ : By ESCROW or 100% L/C after inspection at the place of work or by CASH. On NO account will WESTERN UNION, TT or MONEY GRAM be used. Target price of around 4 USD per MT CIF U.K.