福建廈門市塑鋼門窗有限公司\福建廈門六合興門窗有限公司　是集設計、制作，安裝中高檔塑鋼\鋁合金門窗系列產品的專業廠家。成立于1997年9月，產品注冊商標為“三信”“六合興”。并在1998年率先獲得國家技術監督局頒發的生產許可證，2009年通過了ISO90001：2008質量管理體系認證。 廠房占地三千多平方米，年生產能力達20萬平方米。產品近銷國內，遠銷日本、東南亞。 
　　業務范圍：塑鋼\鋁合金推拉門窗；塑鋼\鋁合金平開門窗；塑鋼\鋁合金上懸窗；塑鋼\鋁合金中懸窗；塑鋼\鋁合金紗窗；隱形紗窗；工藝玻璃；塑鋼配件；不銹鋼工程；鋁合金工程；幕墻工程;通風空調工程；門窗顏色以白色為主，根據客戶要求可生產彩色門窗，但使用壽命不如白色好。
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It is the professional manufacturer that gathers the luxurious in design, produce and

installation to mould the steel series of products of doors and windows that Xia Men city

moulds the steel limited company of doors and windows. Set up in September 1997, product

registered trademark is \" three Belifs\" brand, the production that gets State Bureau of

Technical Supervision first in 1998 to issue licence. Workshop covers an area of the square

metres more than 3000, in year, productivity reaches two-hundreds thousands square metres.

Product nears sell domestic, sell Japan and Southeast Asia. Scope of business: Mould the

steel window of sliding door; Mould steel to level to open the door window; Mould steel go

up Xuan window; Mould the steel window of horizontally pivoted hung; Mould steel screen

window; Invisible screen window; Technology glass; Mould steel accessory; Color is asked

mainly with white colour, according to customer to produce colored doors and windows, but

their service life is not as good as white colour well. three Belifs persons will cooperate

with you all along sincerely with advanced technical, modern management, excellent product

and the most satisfactory service expectation , creat beautiful life space together.