翻译一段话

Mr CK,who we invited to shanghai last week,has taken 18 products failing to meet our quality standard back to your company. therefore, please supply us with 18 additional products in next order.

Mr. CK, came to Shanghai, has taken back the 18 pieces of products that cannot meet our requirment of quality sepcification to your company, hope you can supply again the 18 pieces of products from the next orders.

We ask a CK Sir who come the 沪 to bring back 18 products which not agree with to match our quality specification last week your company.Hope you can enter goods lieutenant general 18 products to supply us in next time.

We ask the supplier Shanghai week 18, will not meet our quality specifications of the products back to your company. I hope you will be able to purchase in the next 18 products supply us.