China Customized Lifting Chain Manufacturers Suppliers Factory - Wholesale Service

Your Professional Lifting Chain Supplier

Chongqing Kinglong is a professional chain hoist manufacture, found in 1999 which really can date back to 1965s when the first chain block workshop appeared in Chongqing city. We have experienced and skilled staff, hundreds machines, matured and fine craftsmanship & process flow, international CE/GS and domestic MA quality certification or report, which work together to ensure high quality products with competitive price.

Polish Lifting Chain
Lifting chain is a type of chain specifically designed for lifting and hoisting heavy loads. It is commonly used in various industries, construction sites, and material handling applications. Lifting

view more
Black Alloy Chain Sling
Kinglong high strength black alloy chain sling is certified with CE standards, which was mostly used in lifting heavy object. This lifting chain with black surface treatment, more beautiful and

view more
Zinc G80 Chain Sling
Zinc G80 chain sling is one of lifting chain or load chain which refers to a chain specifically designed for lifting and hoisting heavy loads. The term zinc refers to a surface treatment applied to

view more

Why Choose Us?

Strong technical force

Our company has its own technical department and R&D department, and most of the parts are designed and produced by ourselves.

Advanced production equipment

Our factory is equipped with 7 high-strength chain computer-controlled production lines imported from Germany and Italy, as well as multiple fully automatic and semi-automatic CNC equipment.

Complete product specifications

We can provide various types of hand chain hoists, from 0.5 tons to 200 tons, high strength chains and chain assemblies. At present, the annual output is 300,000 units of hand chain hoists and 4 million meters of high-strength chains.

Various customized services

As a strong Chinese chain hoist factory, we accept all aspects of product customization, as well as OEM & ODM orders.

Lifting Chain

Lifting chains are designed for chain slings used for industrial applications, which are suitable with G80 hooks and links. They are manufatured as per EN818-2 standard. This standard is for short link chain, the inside length of each link is 3 times of the chain diameter. We supply chains from sizes 6mm to 32mm. The chains are 100% calibrated to make sure of the right dimensions. The fatigue test is made at 1.5 times of working load limit for 20,000 cycles; the proof load test is made at 2.5 times of working load limit. The elogation is not less than 20%.

Scaling Factor	1	0.8	4	1.6	1.4	1	1.12	0.8
6 (d mm)	1.0	0.8	4	1.6	1.4	1.0	1.1	0.8
8	2.0	1.6	8	3.2	2.8	2.0	2.0	1.6
10	3.2	2.5	12.5	5.0	4.5	3.2	3.6	2.5
11	3.3	3	15.2	6	5.3	3.8	4.1	3
12	4.6	3.6	18.4	7.3	6.5	4.6	5.2	3.6
12.5	5	4	20	8	7	5	5.5	4
13	5.3	4.2	21.2	8.4	7.4	5.3	5.8	4.2
14	6.2	5.0	24.8	9.9	8.7	6.2	6.9	5.0
15	7	5.6	28	11.2	9.8	7	7.7	5.6
16	8	6.4	32	12.8	11.2	8	8.8	6.4
18	10.0	8.0	40	16.0	14.0	10.0	11.0	8.0
19	11.3	9	45.2	18	15.8	11.3	12.4	9
20	12.5	10	50	20	17.5	12.5	13.7	10
22	15.0	12.0	60	24.0	21.2	15.0	17.0	12.0
24	18.0	14.4	72	28.8	25.2	18.0	20.2	14.4
26	21.3	17.0	85.2	34.1	29.8	21.3	23.4	17.0
30	28.2	22.6	112.8	45.1	39.5	28.2	31.6	22.6
32	32.1	25.6	128.4	51.3	44.9	32.1	35.3	25.6
34	36.2	28.9	144.8	57.9	50.7	36.2	40.5	28.9
36	40	32	160	64	56	40	44	32
38	45.8	36.2	181.1	72.4	63.4	45.3	49.8	36.2
42	55.5	44.4	222	88.8	77.7	55.5	61	44.4

Size d×p	Inside min b1	Outside max b2	Approx weight	Working load linmit	Test load	Breaking load min
mm	mm	mm	kg/m	t	KN	KN
6×18	7.5	21	0.79	1.1	27	45.2
7×21	9	24.5	1.07	1.5	37	61.6
8×24	10	28	1.38	2	48	80.4
10×30	12.5	35	2.2	3.2	76	125
11×43	12.6	36.5	2.33	3.8	92	154
12×36	15	12	3.1	4.6	109	181
12.5×38	15.5	42.2	3.3	4.9	117	196
13×39	16.3	46	3.8	5	128	214
14×42	18	49	4.13	6.3	150	250
14×50	17	48	4	6.3	150	250
15×46	20	52	5.17	7	168	280
16×48	20	56	5.63	8	192	320
16×49	24.5	59.5	5.71	8	192	320
16×64	28.9	58.9	5.11	8	192	320
18×54	23	63	6.85	10	246	410
18×64	21	60	6.6	10	246	410
19×57	23.7	63.2	7.7	11.3	270	450
20×60	25	70	8.6	12.5	300	500
22×65	28	74.2	10.7	15.3	366	610
22×66	28	77	10.2	15.3	366	610
22×86	26	74	9.5	15.3	366	610
24×72	32	82	12.78	18	432	720
24×86	28	79	11.6	18	432	720
26×78	35	91	14.87	21.3	510	850
26×92	30	86	13.7	21.3	510	850
30×90	38	105	19.6	28.3	678	1130
30×108	34	98	18	28.3	678	1130
32×96	40	106	22.29	32.2	772	1286
34×126	38	109	22.7	36.3	870	1450
34×102	46.5	121.5	25.5	36.3	870	1450
36×108	49.5	128.5	31	40.7	978	1630
38×137	42	121	29	45.3	1086	1810
38×114	52	136	32	45.3	1086	1810
42×126	55.5	144.5	38.6	55.4	1332	2200

Uses

Lifting and Pulling

As a traction chain, it is used to lift or drag heavy objects (such as large equipment or materials in factories and construction sites).

Fixing and Conveying

Through double hooks, four hooks, and other designs, it can achieve reliable fixation and adapt to the handling needs of complex situations.

Application Scenarios

Industrial Field

Undertakes high-intensity lifting tasks in equipment such as cranes and electric hoists, supporting efficient material transportation.

Special Needs

Special chains can meet functional requirements for unique applications.

Certificate

FAQ

Q: Does your workshop have products in stock?

A: Yes, we have. But we only have standard-sized products; if you need customized products, it will take some time to manufacture them.

Q: Whether you can offer customized service?

A: Yes, the working condition of every customer is different. All of our products can be customized depending on customers' requirements. Please give us the information as straightforward as you can, so we can provide our best design to suit your demands.

Q: How to confirm the working class of the crane?

A: Please offer us the working environment, working duration, and frequency of the crane, and our engineer shall calculate it for you.

Q: What kind of assistance can you offer with equipment installation?

A: We have a professional installation team who has gone to many countries to assist with the installation. If you need us to send a technician to your factory, please let us know.

Chongqing Kinglong Machinery Co., Ltd. is well-known as one of the leading lifting chain manufacturers and suppliers in China. Please feel free to buy or wholesale bulk customized lifting chain made in China here from our factory. Contact us for discount information.

Polish Lifting Chain, Lifting Chain Sling, Lifting Chain