“德”字粉又称汤粉、板粉，是一种特制的食用粉丝。商城生产粉条的历史悠久，明朝就有人生产。清朝末年，汤泉池、余集一带就有数百家产户。首创“德”字粉的是吴河乡汤泉池村的黄广顺家粉坊，他家于1908年以豌豆、绿豆为原粉，使用本地的泉水洗粉，生产的粉丝不仅产品质量好，且出粉率高，销路、效益都很好。在他的带动下，相近的曹广兴、陈宏昌、刘福志等户粉坊也都相继仿制，生产经营起这种食用粉丝。
   
    “德”字粉以优质豌豆为原料，用当清凉纯净的泉水漂洗粉丝，制作考究，工艺精湛，成品压成长34厘米、厚5厘米、重2.5公斤的板块，四周束以烙有花纹的竹片，竹丝捆扎，层次分明，美观雅致。“德”字粉晶细清白，久煮不碎，烹炒拌烩皆宜。该品明代开始生产，到清末，全县有300家作坊制粉，粉商张德兴监制的“德”字商标的粉丝最为出名，故称之为“德”字粉。 　
   
    “德”字粉丝洁白似玉，粉丝细亮，韧性好，食用时用温水浸泡，晶莹剔透，可凉拌、热炒、煨汤炖肉、包饺子、炸丸子，味道醇美，爽滑可口，久煮不烂，堪称席中佳品。同时，“德”字粉包装精细，五斤散乱的粉丝，经过工匠梳理榨制，做成长34厘米、宽30厘米、厚5厘米的精制粉块，四面光滑如板，层次有致，配以桃红色的“德”字商标和黑色的丝，不仅美观大方，而且便于运输，远销两广、港澳及东南亚各国，市场供不应求，享有很高的信誉。


    De-brand Bean Vermicelli, also called soup vermicelli or board vermicelli, is a special edible bean vermicelli. It was produced firstly in Ming Dynasty and there were as many as 300 workshops making this bean vermicelli at the end of Qing Dynasty.
      
    De-brand Bean Vermicelli chooses high-quality beans as main material, is washed with pure and cool spring water. It has elaborate making processing and exquisite technique so that finished products are well arranged and have beautiful and elegant appearance. It has characteristics of as white as jade, slim and bright, elastic, not broken when boiled for a long time as well as can be used in many ways.  After soaked into soft in warm water, it can be stirred coldly, fried, stewed with meet, made dumplings and croquettes. No matter in what way, it is always taste smooth and delicious. Thus it is a very good choice for meals. Furthermore, this bean vermicelli has fine packaging: press ordered 2.5 kilo into a vermicelli lump which is smooth but well arranged, bind with black silk and then decorated it with pink De brand. This packaging not only looks beautiful but is convenient to carry. Thus it earns a high reputation and is sold to as far as Guangdong, Guangxi, Aomen, Xianggang and countries in Southeast Asia.