東莞市七合塑膠科技有限公司成立于2000年，經過十多年來的不斷進取努力，今發展為集代理、生產、銷售、研發為一體的綜合型企業，擁有自己的生產工廠并擁有多家廠商連鎖合作，主要經營經工程塑膠、特種工程塑膠等系列產品，產品以高質量、以高性能，躋身于國內同行企業，國內銷售點主要分布在上海、廣東、江浙等地。在廣大用戶的支持下并配套各企業產品，在競爭激烈的市場穩步共進。
      公司高瞻遠矚，對公司進行了大膽的改革，從生產工藝、管理機制、產品的質量、市場的定位、銷售政策等方面都制定了科學而詳盡的方案，在原材料采供、工藝加工上嚴格把關，從而取得了卓越的成效。公司本著以“以質量求生存，以信譽求競爭，以開發新產品求發展”的宗旨，開發新產品，引進新設備，以的產品，優惠的價格，服務于廣大新老客戶。
工程塑膠系列系列：PC、PC/ABS、PA6（66）、PBT、PMMA、PPO、POM、PPE等塑膠原料。
特種工程塑膠系列系列：PA46、PA9T）、PA12、PPA、PPS、PEI、PVDF、PFA、PES、PTFE（鐵氟龍）、PSU、PVDF、LCP等特殊（高溫）塑膠原料。

彈性體塑膠系列：EVA、TPR、TPE、PVC、TPU、EPDM等塑膠原料。

The seven Dongguan city Alwayseal Technology Ltd. was founded in 2000, after 10 years of continuous improvement efforts, now set for the development, production, sales, research and Development Agency for an integrated enterprise, has its own production plant and a number of manufacturers chain cooperation, mainly dealing with engineering plastic, special engineering plastic series products, products with high quality, high performance, among the domestic counterparts enterprises, domestic sales are mainly distributed in Shanghai, Guangdong, Jiangsu and Zhejiang provinces. In support of the majority of users and supporting the enterprise products, in the fierce competition in the market steady progress.

The company leadership look far ahead from a high plane, a bold reform of the company, from the production process, management mechanism, the quality of the products, market positioning, sales policy, establish scientific and detailed plan, in the raw materials for the mining, processing strictly, thus achieved excellent results. The company spirit of " survive by quality, reputation and competition, to develop new products and development" purposes, the development of new products, the introduction of new equipment, to high-quality products, preferential prices, service in the vast number of old and new customers.

Engineering plastic series: PC, PC/ABS, PA6 ( 66 ), PBT, PMMA, PPO, POM, PPE and other plastic materials.