De Officina Nostra:
Officina Qingdao Yongtai Rubber Factory in productione variorum generum tuborum interiorum et valvarum ab anno 1992 specializatur. Duo genera tuborum interiorum sunt — tubi naturales et tubi butylici — quinque series, plus quam 120 pneumatica. Capacitas productionis annua est 6 miliones.
Societas certificationes ISO9001:2000, CCC, DOT ex Civitatibus Foederatis Americae et ECE ex Unione Europaea accepit. Producta bene exportata sunt in Russiam, Malaysiam, Singapuram, Pakistaniam, Aegyptum, Americam Meridionalem, et cetera. Famam bonam et in foro domestico et externo propter producta summae qualitatis, pretium competitivum, et servitium post-venditionem egregium adepti sumus.

Iucunditas Aestiva:



Turma Servitiorum:


Variae magnitudines:
| MAGNITUDO | VALVULA | PONDUS (kg) | PCS/20′FT |
| 26.5-25 | TRJ1175C | 24.00 | DCCXCII |
| 23.5-25 | TRJ1175C | 20.50 | 927 |
| 20.5-25 | TRJ1175C | 15.00 | 1267 |
| MDCCC-MDCCCXXV | TRJ1175C | 15.00 | 1267 |
| 17.5-25 | TRJ1175C | 10.00 | 1900 |
| 15.5-25 | TRJ1175C | 9.30 | MMXLIII |
| 13.00-25 | TRJ1175C | 9.50 | MM |
| 18.4-38 | TR218A | hora quarta decima | 1357 |
| 18.4-34 | TR218A | hora quarta decima | 1357 |
| 18.4-30 | TR218A | hora tredecim | 1462 |
| 16.9-38 | TR218A | hora tredecim | 1462 |
| 16.9-34 | TR218A | Hora duodecima | MDXXXIII |
| 16.9-30 | TR218A | 10.50 | MDCCCX |
| 14.9-30 | TR218A | Hora nona | 2111 |
| XVI/LXX-XVIII | TR77A | sex.00 | 3167 |
| 14.9-38 | TR218A | Hora undecima | MDCCXXVII |
| 13.6-38 | TR218A | 10.50 | MDCCCX |
| XII-XXXVIII | TR218A | 9.20 | 2065 |
| 11.2-38 | TR218A | 6.80 | 2795 |
| 13.6-36 | TR218A | 9.20 | 2065 |
| XI-XXXII | TR218A | 7.70 | 2468 |
| 9.5-32 | TR218A | 3.60 | 5278 |
| 14.9-28 | TR218A | 8.70 | 2184 |
| 12.4-28 | TR218A | 5.80 | 3276 |
| 11.2-28 | TR218A | 4.60 | 4130 |
| 12.4-24 | TR218A | 5.00 | 3800 |
| 14.9-24 | TR218A | 7.00 | 2714 |
| 16.9-24 | TR218A | Hora nona | 2111 |
| 1600-24 | TR179A | 9.80 | 1939 |
| 1400-24 | TR179A | 7.00 | 2714 |
| 1400-20 | TR179A | 6.80 | 2794 |
| 1200-24 | TR179A | 5.70 | 3333 |
| 1200-20 | TR179A | 4.30 | 4419 |
| 1100-22 | TR179A | 4.10 | 4634 |
| 1100-20 | TR179A | 4.00 | 4750 |
| XVI/LXX-XX | TR179A | 6.80 | 2794 |
| 11.2-20 | TR179A | 3.00 | 6333 |
| 11.2-24 | TR218A | 3.60 | 5278 |
| 1000-20 | TR78A | 3.20 | 5938 |
| 900-20 | TR175 | 3.10 | 6129 |
| 825-20 | TR75A | 2.50 | 7600 |
| 700/750-20 | TR75A | 2.20 | 8636 |
| 700/750-20 | TR15 | 2.20 | 8636 |
| 650–20 | TR15 | 1.90 | Decem milia |
| MAGNITUDO | VALVULA | PONDUS (kg) | PCS/20′FT |
| 83/95-24 | TR218A | 2.50 | 7600 |
| 83/95-20 | TR218A | 2.40 | 7917 |
| 10.00-15 | TR218A | 2.25 | 8444 |
| 900-16 | TR75A | 2.30 | 8261 |
| 825-16 | TR75A | 2.30 | 8261 |
| 825-16 | TR15 | 2.30 | 8261 |
| 750-16 | TR75A | 1.80 | 10556 |
| 750-16 | TR15 | 1.80 | 10556 |
| 700/650-16 | TR75A | 1.55 | 12258 |
| 700/650-16 | TR15 | 1.55 | 12258 |
| 750-18 | TR75A | 2.10 | 9048 |
| 12.5-18 | TR78A | 3.80 | Quinque milia |
| 650-19 | TR75A | 1.80 | 10556 |
| 1000-16 | TR75A | 2.70 | 7037 |
| 500-10 | TR13 | 0.75 | 25333 |
| 600/650-16 | TR75A | 1.30 | 14615 |
| 600/650-16 | TR15 | 1.30 | 14615 |
| 750-15 | TR75A | 1.80 | 10556 |
| 750-15 | TR13 | 1.80 | 10556 |
| 700/650-15 | TR75A | 1.50 | 12667 |
| 700/650-15 | TR13 | 1.50 | 12667 |
| 550/600-16 | TR13 | 1.15 | 16522 |
| 450/500-16 | TR13 | 1.05 | 18095 |
| 450/500-16 | TR75A | 1.05 | 18095 |
| 400/450-16 | TR13 | 0.95 | Viginti milia |
| 600/650(175/185)-14 | TR13 | 1.10 | 17273 |
| 550/650(175/185)-13 | TR13 | 1.05 | 18095 |
| 135/145-13 | TR13 | 0.80 | 23750 |
| 450/500-14 | TR13 | 0.85 | 22353 |
| 400/450-14 | TR13 | 0.75 | 25333 |
| 450/500-12 | TR13 | 0.85 | 22353 |
| 400/450-12 | TR13 | 0.65 | 29231 |
| 400-8 | TR13 | 0.55 | 34545 |
| 400-8 | TR87A | 0.40 | 47500 |
| 500-15 | TR13 | 1.00 | 19000 |
| 375-19 | TR4 | 0.75 | 25333 |
| 450-19 | JS2 | 1.20 | 16500 |
| 450-18 | JS2 | 1.20 | 16500 |
| DC-XII | TR13 | 1.00 | 19000 |
| 28*9-15 | TR177 | 1.60 | 11875 |
| 825-12 | TR75A | 1.70 | 11176 |
| 700-12 | JS2 | 1.35 | 14074 |
| 650-10 | JS2 | 1.00 | 19000 |
| DC-IX | JS2 | 0.95 | Viginti milia |
| 700-9 | JS2 | 1.00 | 19000 |
| 500-8 | JS2 | 0.65 | 29231 |
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