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1. QY20C起重機(jī)采用優(yōu)質(zhì)材料和先進(jìn)技術(shù)制造，具有良好的品質(zhì)和可靠性。2. 起重機(jī)具有較大的起重能力，最大起重量可達(dá)到20噸，能夠應(yīng)對一般工程項目的各種起重需求。3. 采用伸縮式臂架設(shè)計，可以根據(jù)實際工作需求進(jìn)行調(diào)整，靈活性較高。4. 配備了先進(jìn)的液壓系統(tǒng)，具有穩(wěn)定的工作性能和操作控制性能。5. 駕駛室設(shè)計人性化，操作簡單，提高了操作員的工作效率和安全性。6. 可以適應(yīng)各種復(fù)雜的工作環(huán)境，如建筑工地、碼頭、倉庫等。7. 起重機(jī)具有較高的移動性，可以快速到達(dá)工作現(xiàn)場，并能進(jìn)行360度旋轉(zhuǎn)。8. 采用了各種安全設(shè)備，如重載報警器、平衡裝置等，有效保證了工作安全。9. 維護(hù)保養(yǎng)方便，經(jīng)濟(jì)實用，降低了使用成本。總的來說，三一重工QY20C起重機(jī)具有良好的質(zhì)量和可靠性，高起重能力，靈活性強(qiáng)，適應(yīng)性廣，安全性高，操作方便等優(yōu)點。

1. QY20C crane is made of high quality materials and advanced technology, with good quality and reliability. 2. The crane has large lifting capacity, the maximum lifting capacity can reach 20 tons, which can cope with all kinds of lifting needs in general projects. 3. It adopts telescopic boom design, which can be adjusted according to the actual working needs, with high flexibility. 4. It is equipped with advanced hydraulic system, with stable working performance and operation control performance. 5. The cab design is user-friendly and simple to operate. 6. It can adapt to various complicated working environments, such as construction sites, docks, warehouses, etc. 6. stable working performance and operation control performance.5. The cab design is humanized and simple to operate, which improves the efficiency and safety of the operator.6. It can adapt to various complex working environments, such as construction sites, docks, warehouses, etc.7. The crane has high mobility and can reach the work site quickly and rotate 360 degrees.8. It adopts a variety of safety equipments, such as heavy load alarm, balancing device, etc., which effectively ensure the safety of the crane. and balancing device, etc., which effectively guarantee the work safety. 9. Easy maintenance, economical and practical, which reduces the cost of use. Overall, Sany QY20C crane has the advantages of good quality and reliability, high lifting capacity, flexibility, wide adaptability, high safety and easy operation.