Home
Supplier Discovery
Arts & Crafts
Ring
Sterling Ring Factories & Companies
Filter
Category
Apparel & Accessories
Arts & Crafts
Light Industry & Daily Use
Manufacturing & Processing Machinery
Textile
More
Management Certification
Others
ISO9001:2015
ANSI/ESD
ISO 9001
ISO45001:2018
More
R&D Capacity
OEM
ODM
Own Brand
Others
Annual Revenue
<1 Million USD
1 ~ 2.5 Million USD
2.5 ~ 5 Million USD
5 ~ 10 Million USD
10 ~ 50 Million USD
More
No.of Employees
Less than 5 People
5-50 People
51-200 People
201-500 People
501-1000 People
More
Province & Region
Anhui
Beijing
Chongqing
Fujian
Guangdong
More
about sterling ring
Technological Innovation
Reliable Supply Chains
Substantial Manufacturing Capabilities
sterling ring
800+ factories verified
YU JING JEWELRY CO., LTD.
12 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Tiny Crush Pink CZ Heart Shape 925 Sterling Silver Ring
US$
4.50
-
4.90
30 pcs
(MOQ)
Fashion Ins Simple Minimalist Design Engagement Opal Sterling Silver 925 Wholesale Jewelry Wedding Couple Set Jewellery Ring
US$
5.16
-
6.02
5 Piece
(MOQ)
925 Sterling Silver New Design Jewelry CZ Ring
US$
6.99
-
8.04
30 Piece
(MOQ)
Hot Selling Simple Design Silver Women Zirconia Ring 925 Sterling Silver Fashion Jewelry Ring
US$
5.42
-
6.32
30 pc
(MOQ)
1/4
Zhongshan Veiya Jewelry Co., Ltd.
5.0
Send Inquiry
Elegant 925 Sterling Silver Ring Engagement Wedding CZ Ring for Women
US$
7.85
-
9.37
30 Pieces
(MOQ)
Elegant Jewelry 925 Sterling Silver Ring Wedding Engagement Ring for Women
US$
6.75
-
8.63
15 Pieces
(MOQ)
Eternity 925 Sterling Silver Cubic Zircon CZ Wedding Band Ring for Woman
US$
5.35
-
6.37
30 Pieces
(MOQ)
Luxury Jewelry 925 Sterling Silver Wedding Band Eternity Rings
US$
11.87
-
12.95
30 Pieces
(MOQ)
1/4
Shenzhen Chenqi Limited
5 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Fashion 925 Sterling Silver Fine Jewelry Ring with CZ Customized Design for Wholesale
US$
7.00
30 Pieces
(MOQ)
Personalized Irregular Shaped Sterling Silver No Stone Rings for Couples Anniversary
US$
7.00
30 Pieces
(MOQ)
Elegant Crown Shaped Sterling Silver Cubic Zirconia Ring for Lady Birthday Gift
US$
7.00
30 Pieces
(MOQ)
Fashion Jewelry Adjustable Ring for Woman 925 Sterling Silver Ring
US$
7.00
30 Pieces
(MOQ)
1/4
Guangzhou Leaye Jewelry Limited
12 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Classic 925 Sterling Silver Tennis Ring
US$
6.30
-
6.48
30 Pieces
(MOQ)
Fashion Rings Silver Color S925 Sterling Silver Luxurious for Women
US$
14.93
-
16.31
30 Pieces
(MOQ)
Fashion 5A Cubic Zirconia Wedding Ring Sterling Silver Engagement Rings
US$
7.60
-
8.00
30 Pieces
(MOQ)
Sliver Jewelry 925 Sterling Silver Classic Engagement Ring
US$
8.50
-
9.47
30 Pieces
(MOQ)
1/4
GUANGZHOU ARTS JEWELLERY CO., LTD.
16 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Wholesale Hand-Cut Design in 14K Gold Plated 925 Sterling Silver Butterfly Ring
US$
8.30
-
9.38
30 Pieces
(MOQ)
Wholesale Malachite and Zircon 925 Silver Sterling Ring
US$
14.83
-
16.43
30 Pieces
(MOQ)
Wholesale Classic Style 14K Gold Plated 925 Sterling Silver & Zircon Ring with Large Center Stone
US$
8.55
-
9.82
30 Pieces
(MOQ)
925 Sterling Silver Carved Design Twisted Finger Ring
US$
5.04
-
5.57
30 Pieces
(MOQ)
1/4
Guangzhou Panyu Longlong Jewelry Factory
17 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Rings Jewelry Women Rhodium/ Gold Plated 925 Sterling Silver Engagement Wedding CZ/ Moissanite Ring for Women
US$
3.20
-
3.60
5 Pieces
(MOQ)
Fashion Heart Promise 925 Sterling Silver Dazzling Zircon Finger Rings for Women Engagement Wedding Fine Jewelry
US$
4.50
-
5.00
30 Pieces
(MOQ)
OEM/ODM Sterling Silver Diamond Simulant Vintage Halo Ring Luxury Silver Ring with Simulated Diamond for Women's Wedding or Engagement Jewelry
US$
5.45
-
6.54
10 Pieces
(MOQ)
925 Sterling Silver Jewelry Custom Pear Shape Moissanite Cubic Zircon Wedding Engagement Rings
US$
14.50
-
16.00
30 PC
(MOQ)
1/4
Nova Fashion and Technology Limited
6 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Hot Selling Ring in 925 Sterling Silver Plain Rhodium or Gold Plating for Woman
US$
1.54
10 Pieces
(MOQ)
New Fashion Jewelry 925 Sterling Silver Solitaire Set Wedding Ring for Woman
US$
8.95
30 Pieces
(MOQ)
Wholesale 925 Sterling Silver Cubic Zirconia Crown Ring for Women
US$
6.00
-
8.00
30 Pieces
(MOQ)
Wholesales Ring Jewelry 925 Sterling Silver Ring Amounted with Crushed Ice Cut Stone for Woman
US$
11.94
10 Pieces
(MOQ)
1/4
Wuzhou Qianjian Jewelry Co., Ltd.
10 yrs
·
4.1
·
Manufacturer/Factory & Trading Company
Send Inquiry
Moissanite Jewelry Solitaire Cluster 925 Sterling Silver White Gold 1CT Vvs Diamond Engagement Moissanite Rings for Women
US$
23.00
-
25.00
1 Piece
(MOQ)
Factory Price D Color Vvs Moissanite 925 Sterling Silver Rings
US$
20.00
-
99.00
1 Piece
(MOQ)
Wholesale Price 925 Sterling Silver Jewelry Moissanite Engagement Ring for Women
US$
20.00
-
34.00
1 Piece
(MOQ)
Adjustable 925 Sterling Silver Engagement Moissanite Diamond Wedding Rings
US$
15.00
-
21.00
1 Piece
(MOQ)
1/4
Guangxi Wuzhou Xingyuegems Co., Ltd
11 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Xingyue Wholesale Custom Design Hip Hop Iced out Real Silver 925 Sterling Mens Fine Jewelry Moissanite Diamond Rings for Men
US$
85.00
-
255.00
1 Piece
(MOQ)
Xingyue Rings Jewelry Women, Gemstone Finger Gold Plated 925 Sterling Silver Engagement Wedding Diamond Moissanite Ring for Women
US$
9.49
-
55.70
1 Piece
(MOQ)
High Quality 925 Sterling Silver Engagement Wedding Round Moissanite Ring
US$
23.00
-
26.00
1 Piece
(MOQ)
Iced out Rose Gold Plated Simple Men Hiphop Mossanite Moissanite Cuban 925 Sterling Silver Cross Fine Jewelry Rings for Girls
US$
267.00
1 Piece
(MOQ)
1/4
LONGLIKE JEWELRY CO., LIMITED
9 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
Big Main Stone 925 Sterling Silver Men's Ring
US$
6.25
30 Pieces
(MOQ)
Tiny Crush Pink CZ Heart Shape 925 Sterling Silver Ring
US$
6.90
30 Pieces
(MOQ)
925 Sterling Silver Jewellery Fashion Emerald Cut Engagement Bridal Ring for Women
US$
7.00
30 Pieces
(MOQ)
925 Sterling Silver Jewellery Plata De Ley Joyas Fashion Classic Engagement Ring
US$
6.90
30 Pieces
(MOQ)
1/4
Guangzhou Joacii Jewelry Co., Ltd.
7 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Fine Jewelry Natural Stone Ruby Distributor 925 Sterling Silver Couple Gold Plated Topaz Heart Adjustable Gemstone Butterflys Moonstone Initial Zircon Rings
US$
6.50
-
13.55
1 Piece
(MOQ)
Elegant 925 Sterling Silver Ring with Gold Plated Gemstone
US$
13.80
-
14.30
3 Pieces
(MOQ)
925 Sterling Silver 14K Gold Plated Gemstone Vintage Women Oval Natural Labradorite Ring
US$
12.05
-
12.48
3 Pieces
(MOQ)
925 Sterling Silver 18K Gold Plated Baguettes Cubic Zirconia Heart Color CZ Zircon Pendant Ring
US$
14.46
-
15.87
1 Piece
(MOQ)
1/4
Guangzhou Anfook & Dakerden Jewelry Co., Ltd
1 yrs
Send Inquiry
S925 Sterling Silver Natural Freshwater Pearl Ring Women with Zircon Drop Ring
US$
10.00
100 Pieces
(MOQ)
S925 Sterling Silver Women's Zircon Two Color Bow Ring
US$
10.00
100 Pieces
(MOQ)
S925 Sterling Silver Women's Combo Ring Wedding Engagement Zircon Ring
US$
10.00
100 Pieces
(MOQ)
925 Sterling Silver New Zircon and Heart Ruby Pair Ring
US$
10.00
100 Pieces
(MOQ)
1/4
Taiyuan Jinshenghe Trading Co., Ltd.
2 yrs
·
5.0
·
Trading Company
Send Inquiry
Fashion Jewelry 925 Sterling Silver Diamond Finger Ring for Women
US$
1.00
1 Piece
(MOQ)
His and Hers Wedding Bands: Round Cut Moissanite in Sterling Silver, Comfort Ring
US$
3.80
1 Piece
(MOQ)
Moissanite Engagement Ring Vvs Clarity Sterling Silver 925 Luxury Wedding Jewelry for Women
US$
6.00
1 Piece
(MOQ)
Designer Moissanite Engagement Ring: High Clarity, Affordable Sterling Silver Wedding Band for Women
US$
4.20
1 Piece
(MOQ)
1/4
YLY JEWELLERY CO., LTD.
3 yrs
·
5.0
·
Trading Company
Send Inquiry
Factory Wholesale 925 Sterling Silver Fashion Jewelry Minimalist and Atmospheric Ring for Men
US$
8.00
-
8.90
30 Pieces
(MOQ)
925 Sterling Silver Jewellery Hotselling Man Ring Factory Custom Made Fashion Jewelry
Negotiable
100 Pieces
(MOQ)
Simple and Elegant 925 Sterling Silver Jewelry Prong Setting Ring for Men
Negotiable
30 Pieces
(MOQ)
925 Sterling Silver Jewelry Islamic Natural Agate Stone Finger Ring for Men
Negotiable
30 Pieces
(MOQ)
1/4
Guangzhou Sunsmerald Technology Co., Ltd
1 yrs
·
Trading Company
Send Inquiry
Ruby Engagement Ring Gems Stone CZ 925 Sterling Silver Pink Ring
US$
1.00
10 Pieces
(MOQ)
Natural Sky Blue Topaz Gemstone Rings Women's 925 Sterling Silver Jewelry Ring
US$
1.00
10 Pieces
(MOQ)
Classic Natural Amethyst Perfect Party Oval Rings 925 Sterling Silver Fashion Ring
US$
1.00
10 Pieces
(MOQ)
Luxury 925 Sterling Silver Women's Vvs Moissanite Wedding Band Engagement Ring
US$
1.00
10 Pieces
(MOQ)
1/4
Dianzi Jewelry Manufacture Co., Ltd
4.9
Send Inquiry
Wedding White Gold Plated 18K Silver Rings Women 925 Sterling Silver Plated Platinum Womens Zircon Luxury Rings for Women
US$
10.30
-
19.80
5 Sets
(MOQ)
Elegant Temperament Jewellery 925 Sterling Silver Gold Plated Jewelry Round Shaped Green Malachite Stone Rings for Women
US$
15.00
-
20.00
2 Pieces
(MOQ)
Trendy 925 Sterling Silver Butterfly Ring Micro-Paved Moissanite Diamond Ring Sparkling Gold Butterfly Jewelry Ring for Woman
US$
15.60
-
18.00
5 Pieces
(MOQ)
3 Karat Snow Moissanite Female Ring S925 Sterling Silver Custom Wholesale for Girlfriend's Birthday Gift
US$
29.72
-
37.15
5 Pieces
(MOQ)
1/4
KONGSUN INDUSTRY (HK) LIMITED
6 yrs
·
Manufacturer/Factory & Trading Company
Send Inquiry
OEM and ODM Factory Fine Jewelry Rings 925 Sterling Silver White Gold Plated with Pink Diamond CZ Clover Four Pear Shaped for Women
US$
12.03
-
12.57
30 Pieces
(MOQ)
925 Sterling Silver Gold Sex American Nose Ring for Women Piercing Jewelry
US$
1.90
-
2.50
200 Pieces
(MOQ)
Custom Jewelry 925 Sterling Silver 18K Gold Plated Double Rope Design Chunky Stack Ring
US$
10.50
-
12.00
200 Pieces
(MOQ)
925 Sterling Silver Stackable Half Eternity Ring Band for Women Destiny Jewellery
US$
12.89
-
22.93
200 Pieces
(MOQ)
1/4
Guangzhou Peishang Jewelry Co., Ltd.
9 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Custom Fine Jewelry Manufacturer 14K 18K Gold Plated 925 Sterling Silver Fashion Luxury Ring for Women
US$
1.98
-
6.68
30 Pieces
(MOQ)
OEM/ODM Custom Jewelry DIY Maker Manufacturers 14K 18K Gold Plated 925 Sterling Silver Wholesale Customization 1688 Fashion Fine Rings
US$
2.88
-
5.88
30 Pieces
(MOQ)
New Arrival Women's Fashion Jewelry 925 Sterling Silver Gold Plated Cubic Zirconia Double Hollow Stacking Ring
US$
4.63
-
5.00
30 Pieces
(MOQ)
Wholesale 925 Sterling Silver Fashion Wedding Jewelry Set Luxury Gold Plated Oval Shaped Cubic Zirconia Engagement Rings for Women
US$
7.32
30 Pieces
(MOQ)
1/4
Yiwu AVA Co., Ltd.
5.0
Send Inquiry
S925 Sterling Silver Female Heart Butterfly Opening Ring for Fashion Jewelry
US$
3.12
-
3.57
10 Pieces
(MOQ)
Sterling Silver Anti Anxiety Ring Women Fidget Bead Rings
US$
3.00
-
3.35
10 Pieces
(MOQ)
Metal Factory 925 Sterling Silver Celtic Knot Eternity Band Ring
US$
3.13
100 Pieces
(MOQ)
Jewelry Fashion Sterling 925 Silver Rings Design Bridal Wedding Engagement Ring
Negotiable
1 Piece
(MOQ)
1/4
Beach Gem & Jewelry Co., Ltd.
5.0
Send Inquiry
925 Sterling Silver Ring with Natural Topaz Gemstone
US$
10.00
-
20.00
50 Pieces
(MOQ)
Women Wedding Jewelry 925 Sterling Silver Rhodium Emerald Yellow Blue Crushed Ice Cut CZ Diamond Engagement Ring
US$
35.00
-
38.00
50 Pieces
(MOQ)
925 Sterling Silver Ring with Natural Amethyst Gemstone
US$
10.00
-
20.00
50 Pieces
(MOQ)
925 Sterling Silver Ring with Natural Turquoise Stone
US$
5.00
-
10.00
100 Pieces
(MOQ)
1/4
Qingdao Gemopia Jewelry Co., Ltd.
25 yrs
·
4.5
·
Manufacturer/Factory & Trading Company
Send Inquiry
Luxury Fashion Diamond Jewelry 925 Sterling Silver K Gold Plating CZ Ring for Lady
US$
10.00
10 Pieces
(MOQ)
14K 10K 18K 925 Sterling Silver Tri Color Big Animal Head Ring for Man
US$
30.00
-
50.00
5 Pieces
(MOQ)
Customized Design Wholesale 925 Sterling Silver Ring
US$
4.00
30 Pieces
(MOQ)
Custom Jewellery Fashion Design 925 Sterling Silver Pink Multi-Gem Ring
US$
10.00
10 Pieces
(MOQ)
1/4
Guangzhou Angel jewellery co.,ltd
6 yrs
·
4.9
·
Manufacturer/Factory & Trading Company
Send Inquiry
High Quality 925 Sterling Silver Personalized Fashion Jewelry Opening Ring
US$
5.50
-
7.20
20 Pieces
(MOQ)
Classic Design S925 Sterling Silver Accessories Metal Style Round Zirconia Ring
US$
4.80
-
6.00
20 piece
(MOQ)
New Arrival 2023 High Quality Factory Wholesale 925 Sterling Silver Cubic Zirconia Ring Fashion Jewelry for Wedding Gift
US$
6.80
-
7.60
30 Piece
(MOQ)
Hot Selling 925 Sterling Silver Ring New Arrival 18K Gold Plated Zircon Fashion Ring
US$
8.80
-
10.80
20 Pieces
(MOQ)
1/4
Zhuhai Kirin Jewelry Co., Ltd.
20 yrs
·
5.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Fine Sterling Silver Jewelry Diamond Wedding Rings Set for Women Couples
US$
16.53
-
23.76
6 Pieces
(MOQ)
Elegant 925 Sterling Silver CZ Diamond Ring Set for Mothers
US$
4.66
-
5.66
30 Pieces
(MOQ)
High Quality 925 Sterling Silver Ring Full Eternity CZ Tiny Engagement Ring Gold Plated Jewelry
Negotiable
10 Pieces
(MOQ)
Elegant 925 Sterling Silver Diamond Couple Crossover Rings for Love
Negotiable
3 Sets
(MOQ)
1/4
Yiwu Duo Yan jewelry factory
3 yrs
·
4.0
·
Manufacturer/Factory & Trading Company
Send Inquiry
Little Prince Fox Couple Ring 925 Sterling Silver, Niche Design, Enamel Drip Glue Pair Ring, Open Ring
US$
4.60
-
4.70
20 Pieces
(MOQ)
Sun Moon 925 Sterling Silver Ring with High-End Feel, Instagram Niche Design, Couple's Style
US$
4.10
-
42.00
20 Pieces
(MOQ)
S925 Sterling Silver Layered Sparkling Zircon Ring for Women, Fashionable, Luxurious, Versatile, and Dazzling with an Open Mouth
US$
5.90
-
6.00
20 Pieces
(MOQ)
S925 Sterling Silver Textured Fused White Agate Irregular Opening Ring
US$
6.20
-
6.30
20 Pieces
(MOQ)
1/4
ZHUJI YEYI IMPORT AND EXPORT CO., LTD.
5.0
Send Inquiry
Sterling Silver Natural Freshwater Pearl Ring Adjustable Fashion Ring Jewelry
US$
20.80
-
25.30
100 Pieces
(MOQ)
Wholesale 925 Sterling Silver Jewelry Adjustable Pearl Rings Jewelry Women with Pearls
US$
8.05
-
10.80
1 Piece
(MOQ)
Stylish Sterling Silver Freshwater Pearl Ring Featuring Sparkling Zirconia Accents
US$
9.52
-
13.39
100 Pieces
(MOQ)
Unique Customization Natural Baroque Pearl Ring in Sterling Silver Accessory
US$
19.22
-
24.20
100 Pieces
(MOQ)
1/4
Mabery Jewelry Limited
13 yrs
·
Trading Company
Send Inquiry
Elegant 925 Sterling Silver Jewelry Ring for Timeless Fashion Lovers
US$
10.00
-
16.00
30 Pieces
(MOQ)
Elegant 925 Sterling Silver Ring with Intricate Design for All Occasions
US$
10.00
-
16.00
30 Pieces
(MOQ)
925 Sterling Silver Jewelry Ring
US$
10.00
-
16.00
30 Pieces
(MOQ)
Personalized Sterling Silver Ring with Open Design: Unique Customization
US$
10.00
-
16.00
30 Pieces
(MOQ)
1/4
Henglan Gifts Limited
Send Inquiry
Factory Custom Made Fashion 3D Metal Jewelry Manufacturer Customized Welcomed Decoration Accessory Bespoke Wholesale Hot Selling 925 Sterling Silver Ring
US$
2.38
200 Pieces
(MOQ)
Factory Custom Made Fashion 3D Imitation Jewelry Manufacturer Customized Popular Decoration Ornament Bespoke Wholesale Hot Selling 925 Sterling Silver Ring
US$
2.38
200 Pieces
(MOQ)
Factory Custom Made Fashion 3D Metal Jewelry Manufacturer Customized Popular Decoration Ornament Bespoke Wholesale Hot Selling 925 Sterling Silver Ring
US$
2.38
200 Pieces
(MOQ)
Factory Custom Made Fashion 3D Metal Jewelry Manufacturer Customized Popular Decoration Accessory Bespoke Wholesale Hot Selling 925 Sterling Silver Ring
US$
2.38
200 Pieces
(MOQ)
1/4
Guangzhou Shengyu Jewelry Co., Ltd.
Send Inquiry
New Design Fashion Jewelry 925 Sterling Silver Ring
US$
20.80
20 Pairs
(MOQ)
Hot Selling Women Jewelry Solitaire Cubic Zircon 925 Sterling Silver Rings
US$
31.50
20 Pairs
(MOQ)
Hot Sale Jewelry 925 Sterling Silver Wedding Ring
US$
8.58
20 Pairs
(MOQ)
Hot Sale Fashion Jewelry 925 Sterling Silver Wedding Ring
US$
10.87
20 Pairs
(MOQ)
1/4
Hongkong Season Jewelry Co., Limited
Send Inquiry
Hot Sale Costume Jewelry 925 Sterling Silver Ring Fashion Fine Jewellery (SNR1256)
US$
5.25
-
6.75
30 Pairs
(MOQ)
Fashion Costume Jewelry Handcrafted 925 Sterling Silver Engagement Ring (SR1226)
US$
6.75
-
8.75
30 Pieces
(MOQ)
Hot Sale Costume Jewelry Fashion 925 Sterling Silver Ring (SR1112)
US$
8.95
-
11.95
30 Pieces
(MOQ)
Fashion Costume Jewelry 925 Sterling Silver CZ Engagement Ring (SR1221)
US$
6.50
-
8.50
30 Pieces
(MOQ)
1/3
Guangzhou Xinglaika Co., Ltd.
2 yrs
·
5.0
·
Trading Company
Send Inquiry
925 Sterling Silver Women's High-Carat Diamond Jewelry Accessories Rings
US$
14.40
-
14.70
30 Pieces
(MOQ)
Fashionably Simple S925 Sterling Silver Ring for Ladies Gemstone Ring
US$
7.10
-
7.30
30 Pieces
(MOQ)
Wholesale Sterling Silver Ring Men Malachite Simple Classic Personality Jewelry Finger Ring Domineering Luxury Men's Retro Ring
US$
36.00
-
46.00
30 Pieces
(MOQ)
S925 Sterling Silver Small Daisy Open Pearl Ring Female Gift Rings
US$
13.80
-
15.80
30 Pieces
(MOQ)
1/4
1
30
Hot Products
Ring Light
Copper Ring
Metal Key Ring
Silver Sterling
Fashion Jewelry Ring
Engine Piston Ring
925 Silver Ring
Key Chain And Ring
Related Manufacturers & Supplier
Extension Ring Factories
Sterling Jewellery Ring Factories
Sterling Jewelry Bracelet Factories
Imitation Ring Factories
Sterling Silver Jewelry Ring Manufacturers
Sterling Silver Diamond Ring Manufacturers
Sterling Silver Finger Ring Manufacturers
Gold Diamond Ring Manufacturers