ShanghaiGMT floor springsZitinsalesService hotline +86 21 68568185www.zitin.com/gmt   GMT floor spring brand service standard, demonstrating the superior ** and enterprise strength of GMT products. Reliability standard guarantee: quantifying ** indicators is a heartfelt initiative. We promote floor spring reliability, ensuring the ** of GMT floor springs ¡ª fire-door / surface-mounted / concealed floor springs ¡ª through safety, adaptability, stability and pressure resistance.

GMT Official Statement: GMT has no connection whatsoever with Crown (CROWN). Customers are urged to recognize the GMT ** on products. GMT has no connection whatsoever with Crown (CROWN)! Currently, some sellers of Crown (CROWN) floor springs on the market claim that Crown is GMT, and their packaging, printing, specifications and models closely imitate GMT products. Many customers have called to ask about authenticity, so we hereby solemnly declare: Crown (CROWN) floor springs are not manufactured by our company! GMT has no connection whatsoever with Crown (CROWN). Customers are urged to recognize the GMT ** on products: GMT is a Shanghai Well-k**n Trademark and a Shanghai Famous-Brand Product.

ShanghaiGMT floor springsS-2** Heavy-duty floor spring   Shanghai GMT floor spring S-2** extra-heavy-duty floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: S-2**. Dimensions: 380¡Á1**¡Á68mm. Max. door leaf load: 230~300kg. Applicable door width: 1**~1**mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment

ShanghaiGMT floor springsS-2400 Heavy-duty floor spring   Shanghai GMT floor spring S-2400 extra-heavy-duty floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: S-2400. Description: extra-heavy-duty. Dimensions: 310 x 124 x 58mm. Door leaf load range: 1**~180kg. Applicable door width: **0~13**mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment

ShanghaiGMT floor springsS-1400 Heavy-duty floor springS-1300   Shanghai GMT floor spring S-1400 heavy-duty floor spring S-1300. Shanghai Zitin consultation hotline +86 21 68567085. Model: S-1300, S-1400. Description: heavy-duty. Dimensions: 280 x 137 x 58mm. Door leaf load range: 110~130kg (S-1300), 130~1**kg (S-1400). Applicable door width: 900~1**mm (S-1300), 900~11**mm (S-1400). Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment

ShanghaiGMT floor springsN-818 economyfloor spring   Shanghai GMT floor spring N-818 deluxe economy floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: N-818. Description: deluxe economy. Dimensions: 297 x 143 x **mm. Max. door leaf load: 115kg. Applicable door width: 800¡«9**mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment

ShanghaiGMT floor springsN-222 **floor springN-211   Shanghai GMT floor spring N-222 deluxe standard floor spring N-211. Shanghai Zitin consultation hotline +86 21 68567085. Model: N-211, N-222. Description: deluxe standard. Dimensions: 297 x 143 x **mm. Max. door leaf load: 85kg (N-211), 120kg (N-222). Applicable door width: 600~900mm (N-211), 800¡«**0mm (N-222). Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper

ShanghaiGMT floor springsN-** Luxurious and attractivefloor spring   Shanghai GMT floor spring N-** deluxe attractive floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: N-**. Dimensions: 298¡Á93¡Á49.5mm. Max. door leaf load: 115kg. Applicable door width: 800~9**mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment

ShanghaiGMT floor springsN-1288D passagewayfloor spring   Shanghai GMT floor spring N-1288D full-opening passage floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: N-1288D. Description: fully adjustable. Dimensions: 300 x 114 x 54mm. Max. door leaf load: 125kg. Applicable door width: 800~**0mm. Max. opening angle: 180¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment ¡ñ fully adjustable

ShanghaiGMT floor springsN-1288** () passagewayfloor spring   Shanghai GMT floor spring N-1288 fully adjustable (single-action) full-opening passage floor spring. Shanghai Zitin consultation telephone: +86 21 68567085. Model: N-1288R/L. Description: fully adjustable. Dimensions: 300 x 114 x 54mm. Max. door leaf load: 125kg. Applicable door width: 800~**0mm. Max. opening angle: 180¡ã. Features: ¡ñ eccentric-arm single-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment ¡ñ fully adjustable

ShanghaiGMT floor springsNH-2233 replacefloor spring   Shanghai GMT floor spring NH-2233 replaceable-spindle floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: NH-2233. Description: replaceable-spindle type. Dimensions: 298 x 93 x 49.5mm. Max. door leaf load: 120kg. Applicable door width: 800¡«9**mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment ¡ñ height adjustable

ShanghaiGMT floor springsNH-1233R / L floor spring   Shanghai GMT floor spring NH-1233R/L single-action floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: NH-1233R/L. Description: full-opening passage type. Dimensions: 298 x 93 x 49mm. Max. door leaf load: 120kg. Applicable door width: 800~9**mm. Max. opening angle: 180¡ã. Features: ¡ñ eccentric-arm single-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment

ShanghaiGMT floor springsNH-1233D floor spring   Shanghai GMT floor spring NH-1233D double-action floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: NH-1233D. Description: full-opening passage type. Dimensions: 298 x 93 x 49mm. Max. door leaf load: 120kg. Applicable door width: 800~9**mm. Max. opening angle: 180¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment

ShanghaiGMT floor springsNH-236 **floor spring   Shanghai GMT floor spring NH-236 indoor no-wind-pressure floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: NH-236. Description: new lightweight type, for indoor use without wind pressure. Dimensions: 298 x 93 x 49.5mm. Door leaf load: **kg. Applicable door width: 800-900mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment

ShanghaiGMT floor springsNH-235 floor spring   Shanghai GMT floor spring NH-235 narrow floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: NH-235. Description: fully adjustable. Dimensions: 298 x 93 x 54mm. Max. door leaf load: 120kg. Applicable door width: 800~9**mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment ¡ñ fully adjustable ShanghaiGMT floor springsNH-233 floor spring   Shanghai GMT floor spring NH-233 narrow floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: NH-233. Description: new narrow type. Dimensions: 298 x 93 x 49.5mm. Max. door leaf load: 120kg. Applicable door width: 800¡«9**mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment ShanghaiGMT floor springsNF-288 fireproof**floor spring   Shanghai GMT floor spring NF-288 fire-rated fully adjustable floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: NF-288. Description: fire-rated, fully adjustable. Dimensions: 300 x 114 x 54mm. Max. door leaf load: 125kg. Applicable door width: 800~**0mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment ¡ñ fully adjustable ShanghaiGMT floor springsF-1600R / L passagewayfloor spring   Shanghai GMT floor spring F-1600R/L full-opening passage floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: F-1600R/L. Description: fire-rated, full-opening passage. Dimensions: 326 x 143 x 58mm. Max. door leaf load: 130-1**kg. Applicable door width: 900-1**mm. Max. opening angle: 195¡ã. Features: ¡ñ eccentric-arm single-action type ¡ñ no 90¡ã stopper ¡ñ two-stage speed adjustment ShanghaiGMT floor springsG-325 floor spring   Shanghai GMT floor spring G-325 slim floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: G-325. Description: fully adjustable. Dimensions: 311 x 108 x 39.5mm. Max. door leaf load: 120kg. Applicable door width: 8**~**0mm. Max. opening angle: 130¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment ¡ñ fully adjustable ShanghaiGMT floor springsG-322 floor spring   Shanghai GMT floor spring G-322 ultra-slim floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: G-322. Description: ultra-slim. Dimensions: 311 x 108 x 39.5mm. Max. door leaf load: 105kg. Applicable door width: 800-9**mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment ShanghaiGMT floor springsH-555 **floor spring   Shanghai GMT floor spring H-555 standard floor spring. Shanghai Zitin consultation telephone: +86 21 68567085. Model: H-555. Description: fully adjustable. Dimensions: 262 x 108 x 55mm. Max. door leaf load: 110kg. Applicable door width: 800~**0mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ two-stage speed adjustment ¡ñ fully adjustable ShanghaiGMT floor springsH-300 economyAttractive appearancefloor spring   Shanghai GMT floor spring H-300 economy attractive floor spring. Zitin consultation hotline +86 21 68567085. Model: H-300. Dimensions: 257¡Á93¡Á49.5mm. Max. door leaf load: **kg. Applicable door width: 800~900mm. Max. opening angle: 116¡ã. Features: ¡ñ center-arm double-action type ¡ñ 90¡ã stopper ¡ñ single-stage speed adjustment ShanghaiGMT floor springsH-220C, H-210C**floor spring   Shanghai GMT floor spring H-210C standard floor spring H-220C. Model: H-210C, H-220C. Description: standard type. Dimensions: 262 x 123 x **mm. Max. door leaf load: 80kg (H-210C), 110kg (H-220C). Applicable door width: 600~8**mm (H-210C), 800~**0mm (H-220C). Max. opening angle: 116¡ã ShanghaiGMT floor springsH-220B economyfloor spring   Shanghai GMT floor spring H-220B economy floor spring. Shanghai Zitin consultation hotline +86 21 68567085. Model: H-220B. Description: economy type. Dimensions: 262 x 123 x 49mm. Max. door leaf load: **kg. Applicable door width: 800~900mm. Max. opening angle: 116¡ã. Features: center-arm double-action type, 90¡ã stopper, single-stage speed adjustment.