We are Heartland Development Company based in Concord , USA. We are member of Tradekey.com since April, 2009. Our business is related to Energy Products industry and we specifically deal in Shingles, Other hard woods. Please find our product details below: Wallaba Shingles Manufacturer of Wallaba Shingles 18 inches long x 6 inches wide. Shipping container holds 10, 000 sq. ft. of shingles per 20 ft. container. Wallaba Shingles Manufacturer of Wallaba Shingles 18 inches long x 6 inches wide. Shipping container holds 10, 000 sq. ft. of shingles per 20 ft. container. Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.