铝型材加工  制造商、经销商、供应商

LECHMANN Engineering GmbH stands for perfection in aluminium for decades.
We offer everything from a single source: we plan, develop, produce, refine, print, assemble and advise you on all topics related to this fascinating material.
We realise customised solutions as well as series of several thousand pieces.
We offer a variety of products and solutions perfectly adapted for your requirements.

At Tegood, we specialize in crafting high-end aluminum and UPVC windows and doors, revolutionizing the industry with our cutting-edge designs and innovative solutions. Our commitment extends beyond aesthetics, as we excel in the realm of passive house energy-saving windows and doors and bespoke railings. Catering to discerning clients, our main markets encompass North America, Europe, Australia, Southeast Asia, and more.
Why choose us?
Selecting Tegood means embracing a world of unrivaled possibilities. We are devoted to delivering an all-encompassing experience, offering superior quality windows and doors alongside a comprehensive suite of services. Our unique designs blend sophistication with durability, ensuring your investment transcends mere beauty, safeguarding your haven for years to come.
Embarking on an unyielding pursuit of excellence, we have introduced the renowned Renolit film imported from Germany, elevating our products to new heights of longevity. This exquisite addition shields our window and door frames, defying fading and resisting paint peeling for an impressive two decades.
Moreover, our creations boast an exceptional ability to insulate against noise pollution, creating an oasis of tranquility within your living space. Embracing the principles of thermal efficiency, our designs provide remarkable insulation, earning us numerous accolades, certificates, and patents. Tegood proudly spearheads the advocacy of system windows and doors, setting a new benchmark for excellence within China and beyond.
Tegood values the trust and confidence that our clients place in us. We are committed to establishing lasting partnerships by providing exceptional customer service and support. Our dedicated team will guide you through the entire process, from initial consultation to installation, ensuring a seamless and rewarding experience.
Elevate your projects with Tegood's exceptional windows and doors. Experience the perfect combination of design, quality, and sustainability that will leave a lasting impression on your clients and set your projects apart. Join the Tegood family and unlock a world of possibilities for architectural excellence.

Shandong Haijiang Aluminum Industry Co. ，Ltd is abbreviated as (HaijiangAluminum). We are one of the professional aluminum manufacturers in China, engaged in aluminum production and business activities for more than ten years. In 2018, the company was restructured and introduced 10 extrusion production lines (600 tons-3,500 tons), a fully automatic oxidation electrophoresis production line, vertical and horizontal Type spraying production line, as well as a variety of advanced production supporting, processing and testing equipment. Concentrate on the development and production of aluminum products. And achieved outstanding results and praised by customers and the government.
HaijiangAluminum demonstrates its competitiveness with advanced equipment. The main equipment such as the melting furnace is purchased from the Swiss GAUTSCHI company, and a complete set of electromagnetic stirring, refining equipment and casting machines are introduced; 1+1+4 hot continuous rolling mills, 1+ 5 Hot tandem rolling mills are all purchased from German SMS company, and the equipment adopts its patented CVC shape control technology; the three-stand and single-stand cold rolling mills are all purchased from German SMS company, all adopting advanced technology such as 6-layer CVC, and Spend huge sums of money to equip the industry's top ancillary equipment.
Haijiang Aluminum is supported by excellent management and established a complete quality management system. With the help of rich practical experience, it has successively passed: ISO9001:2015 quality management system, ISO14001:2015 environmental management system, ISO45001:2018 occupational health and safety management system, IATF16949: 2016 automotive industry quality management system, AS9100D aviation industry quality management system, ISO/TS22163:2017 international railway operation management system, and obtained ABS, CCS, DNVGL, LR, NK, KR and other national classification societies certification, and passed Nadcap at the same time A series of international authoritative certifications such as heat treatment, non-destructive testing certification, CNAS laboratory accreditation and CE for national aerospace and defense contractor credit projects provide a solid guarantee for the company's rapid development in the aluminum rolling industry.

ORINET ALUMINIUM, with Chinese name Shandong Xinyudong Aluminium Industry Co., Ltd., founded in 2002, is a large aluminum extrusion and fabricated products provincial backbone production enterprise. The Company has architectural aluminium production factory,industrial aluminium production factory and fabrication factory in the Dongcheng Development Zone Linqu Shandong Province, adjacent to the largest aluminium distribution center of Northern China, north by Jiaoji Railway and Jinan-Qingdao Expressway, south along the Weitai highway with excellent geographical location and regional advantages.

ORINET ALUMINIUM covers an area of 300,000 square meters with total assets of 760 million yuan and has 8 close-packed gas hot top with horizontal casting production lines, 22 domestic advanced level extrusion production lines, 8 anodizing production lines, 10 electrophoretic coating production lines, 2 powder coating production lines, 2 PVDF coating production lines, 6 insulation broken production lines.