Manufacture of toy models and RC vehicles in metal and plastic using injection moulding and zinc die casting
Sieper GmbH
Lüdenscheid, Germany · Złotoryja, Poland · ChinaNew on Amplifa
About Sieper GmbH
Sieper GmbH is a family-owned company from the Sauerland region, founded in 1921 by Richard Sieper in Lüdenscheid, and with its brands siku, WIKING and Toddys by siku is one of Europe's leading toy manufacturers. The product range comprises detailed toy models and remote-controlled RC vehicles ranging from tractors, trucks and excavators to passenger cars and emergency vehicles in scales 1:32, 1:50, 1:55 and 1:87. Production uses plastic injection moulding and zinc die casting; the models are predominantly made of metal with plastic parts and are free of plasticisers and PVC. Production takes place in the company's own manufacturing facilities in Germany, Poland (Złotoryja, new site 2016) and China (since 2007); in Lüdenscheid the company has operated a fully automatic high-bay warehouse with more than 6,000 pallet spaces since 1995. The products comply with the European Toy Directive 2009/48/EC (EN 71, EN 62115) and are distributed in over 60 countries. The company is certified to ISO 9001:2015 and is a member of the ICTI CARE Process for fair working conditions.
- Site
- Lüdenscheid
- Processes
- Plastic injection moulding, Zinc die casting, Manufacture of toy models in metal with plastic parts, High-bay warehouse logistics (fully automatic, over 6,000 pallets), Spare parts service, Complaint handling, Online shop with direct shipping, SIKUCONTROL app for RC models
- Materials
- Metal, Plastic, Zinc, Zinc die casting
- Certificates
- ISO 9001:2015
- Founded
- 1921
- Industries
- Toys, Model making, RC vehicles
- 01
Tool and product development
- 02
Zinc die casting / plastic injection moulding
- 03
Model assembly
- 04
Quality inspection
- 05
Logistics (high-bay warehouse Lüdenscheid)
- 06
Distribution in over 60 countries
Materials and Manufacturing Processes
Metal
Base material of the toy models' bodies and functional components for robustness and resilience.
Plastic
Plasticiser- and PVC-free plastic parts for detail components, wheels and attachments.
Zinc die casting
Casting technology used since 1963 for the Super series to produce precise metal models.
Production Sites
Lüdenscheid
DEHeadquarters, manufacturing, logistics centre
- Materials
- Metal, plastic, zinc
- Injection moulding machines
- Zinc die casting systems
- Fully automatic high-bay warehouse (25 m, over 6,000 pallets)
Złotoryja
PLManufacturing site (new in 2016)
- Materials
- Metal, plastic
- Injection moulding machines
China
CNOwn production plant (since 2007)
- Materials
- Metal, plastic
- Injection moulding machines
Components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Plastic injection mouldingPlastics | – | – | – | – | Plastic |
| Zinc die castingCasting | – | – | – | – | Zinc, Metal |
| Manufacture of toy models in metal with plastic partsAssembly | – | – | – | – | Metal, Plastic |
| High-bay warehouse logistics (fully automatic, over 6,000 pallets)Assembly | – | – | – | – | – |
3 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Injection moulding machines | – | – | – | – | Lüdenscheid, Germany; Poland; China |
| Die casting systems (zinc die casting) | – | – | – | – | Lüdenscheid, Germany |
| Fully automatic high-bay warehouse | – | 1 | over 6,000 pallets, 25 metres high | 1995 | Lüdenscheid, Germany |
Additional services
Reference customers
Quality and Certifications
siku toy models comply with the European Toy Directive 2009/48/EC and the harmonised standards EN 71 and EN 62115; Sieper GmbH is certified to ISO 9001:2015. Products are manufactured free of plasticisers and PVC, and the company is a member of the ICTI CARE Process.
| Evidence | Lüdenscheid | Złotoryja | China |
|---|---|---|---|
| ISO 9001:2015 |
Company History
- 1921
Richard Sieper founds a foundry company in Lüdenscheid
- 1943
Additional production facility opened in Hilchenbach-Müsen (sold in 2008, closed in 2009)
- 1950
siku registered as a brand; exhibitor at the first Nuremberg Toy Fair; toys made of plastic
- 1951
Production of toy models using the plastic injection moulding process
- 1954
First siku models in scale 1:60 (Plastic V series)
- 1963
First models made of zinc die casting (Super series)
- 1975
Conversion to four-digit article numbers; official scale 1:55
- 1983
Introduction of the SIKUFARMER series in scale 1:32
- 1984
Acquisition of the Berlin company Wiking Modellbau
- 1995
New logistics centre with fully automatic high-bay warehouse built in Lüdenscheid; second production site in Złotoryja, Poland
- 2004
Introduction of the SIKUCONTROL series (remote-controlled tractors)
- 2007
Own production subsidiary in China
- 2012
Opening of the SIKU//WIKING model world in Lüdenscheid (500 m², over 3,500 models)
- 2013
Launch of the SIKUracing series (ToyAward 2013, Trader's Favourite 2013)
- 2016
New production facility in Poland
- 2017
SIKUCONTROL Liebherr R980 SME tracked excavator – heaviest RC model to date (2 kg)
- 2019
SIKUCONTROL app with Bluetooth control (Android/iOS)
- 2020
Brand launch of Toddys by siku for children aged 18 months and up
- 2021
100 years of Sieper – limited special editions