F Visa Extension in Yiwu

Hello , I am from India . i am For Business in Yiwu . I Came Yiwu on March 24. My Arab Company has Send me China for a Order . The Order Is much Bigger that From Last 4 Months I am into It And it Still Needs 2 Months More.
I am On F - I Had Extended it on April 20 - Got for 2 Months and Again Extended it for more 2 Months on June 15. Its Going to Expire on August 13. Tommorrow i am Going to Apply it For More 2 Months . I Heard The Rules has Changed for F Extension .
So Will i Be Able to get More 2 Months Extension ??
P.s :- I Have All the Bank Remittances which Our Company from Saudi Arabia has Remitted Amount in Chinese Company Bank Account. And I Can get a Copy of Bank Pass Book Too from the said company.
In Addition i Have All the Purchase Invoices, Sales Confirmation with Both Companies Official Stamps.
All the Pictures & Models & Designs of the Item we are Exporting to Saudi Arabia.
I Can Provide all the Necessary Documents , which can prove we are genuine & also Can Provide Shipment Details & Containers Invoices.

Its About Quality Of the Product as its a Manufacturing Company , I Need to Check it EveryDay .
Please Inform Me on This .

Thanks & Regards ,
Sameer Khan